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<!--Weave of 'C Object Model' generated by Inweb-->
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inter Modules</a></li><li><a href="index.html">final</a></li><li><a href="index.html#5">Chapter 5: C</a></li><li><b>C Object Model</b></li></ul></div>
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<p class="purpose">How objects, classes and properties are compiled to C.</p>
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<ul class="toc"><li><a href="5-com.html#SP1">§1. Introduction</a></li><li><a href="5-com.html#SP3">§3. The object value-space</a></li><li><a href="5-com.html#SP6">§6. Property owners</a></li><li><a href="5-com.html#SP11">§11. Runtime classes</a></li><li><a href="5-com.html#SP14">§14. Runtime instances</a></li><li><a href="5-com.html#SP18">§18. The property dictionary</a></li><li><a href="5-com.html#SP20">§20. Declaring properties</a></li><li><a href="5-com.html#SP21">§21. Assigning properties</a></li><li><a href="5-com.html#SP25">§25. Instances which are not objects</a></li><li><a href="5-com.html#SP26">§26. Primitives</a></li><li><a href="5-com.html#SP32">§32. Reading, writing and changing object properties</a></li><li><a href="5-com.html#SP33">§33. Reading, writing and changing general properties</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Introduction. </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">CObjectModel::initialise</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">CObjectModel::initialise</span></span>:<br/>Final C - <a href="5-fnc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="constant-syntax">PSEUDO_OBJECT_MTID</span><span class="plain-syntax">, </span><a href="5-com.html#SP14" class="function-link"><span class="function-syntax">CObjectModel::pseudo_object</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="constant-syntax">DECLARE_INSTANCE_MTID</span><span class="plain-syntax">, </span><a href="5-com.html#SP16" class="function-link"><span class="function-syntax">CObjectModel::declare_instance</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="constant-syntax">DECLARE_KIND_MTID</span><span class="plain-syntax">, </span><a href="5-com.html#SP12" class="function-link"><span class="function-syntax">CObjectModel::declare_kind</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="constant-syntax">DECLARE_PROPERTY_MTID</span><span class="plain-syntax">, </span><a href="5-com.html#SP20" class="function-link"><span class="function-syntax">CObjectModel::declare_property</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="constant-syntax">ASSIGN_PROPERTY_MTID</span><span class="plain-syntax">, </span><a href="5-com.html#SP21" class="function-link"><span class="function-syntax">CObjectModel::assign_property</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="constant-syntax">ASSIGN_PROPERTIES_MTID</span><span class="plain-syntax">, </span><a href="5-com.html#SP22" class="function-link"><span class="function-syntax">CObjectModel::assign_properties</span></a><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. </b></p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MAX_C_OBJECT_TREE_DEPTH</span><span class="plain-syntax"> </span><span class="constant-syntax">256</span>
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</pre>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_generation_object_model_data</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">owner_id_count</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">arrow_chain</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_C_OBJECT_TREE_DEPTH</span><span class="plain-syntax">];</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">property_id_counter</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">current_owner</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">declared_properties</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">declared_owners</span><span class="plain-syntax">; </span><span class="comment-syntax"> of </span><span class="extract"><span class="extract-syntax">C_property_owner</span></span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">compass_instance</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">direction_kind</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">value_ranges_needed</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">value_property_holders_needed</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">Class_either_or_properties_not_set</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">C_generation_object_model_data</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">CObjectModel::initialise_data</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">CObjectModel::initialise_data</span></span>:<br/>Final C - <a href="5-fnc.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">owner_id_count</span><span class="plain-syntax">) = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">property_id_counter</span><span class="plain-syntax">) = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_properties</span><span class="plain-syntax">) = </span><span class="identifier-syntax">Dictionaries::new</span><span class="plain-syntax">(1024, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_owners</span><span class="plain-syntax">) = </span><span class="identifier-syntax">NEW_LINKED_LIST</span><span class="plain-syntax">(</span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="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"><128; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">arrow_chain</span><span class="plain-syntax">)[</span><span class="identifier-syntax">i</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">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">compass_instance</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">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">value_ranges_needed</span><span class="plain-syntax">) = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">value_property_holders_needed</span><span class="plain-syntax">) = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">Class_either_or_properties_not_set</span><span class="plain-syntax">) = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CObjectModel::begin</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">CObjectModel::begin</span></span>:<br/>Final C - <a href="5-fnc.html#SP5">§5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP2" class="function-link"><span class="function-syntax">CObjectModel::initialise_data</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP11" class="function-link"><span class="function-syntax">CObjectModel::declare_metaclasses</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CObjectModel::end</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">CObjectModel::end</span></span>:<br/>Final C - <a href="5-fnc.html#SP6">§6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP24" class="function-link"><span class="function-syntax">CObjectModel::write_i7_initialiser</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP10" class="function-link"><span class="function-syntax">CObjectModel::write_i7_initialise_object_tree</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP4" class="function-link"><span class="function-syntax">CObjectModel::define_object_value_regions</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP7" class="function-link"><span class="function-syntax">CObjectModel::compile_ofclass_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP34" class="function-link"><span class="function-syntax">CObjectModel::compile_gprop_functions</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_ids_and_maxima_I7CGS</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define i7_max_objects I7VAL_STRINGS_BASE\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define i7_no_property_ids %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">property_id_counter</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP25" class="function-link"><span class="function-syntax">CObjectModel::make_enumerated_property_arrays</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>The structure C_generation_object_model_data is accessed in 4/fi6, 5/ccn and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. The object value-space. </b>Inter requires that the following values must be distinguishable at runtime:
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</p>
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<ul class="items"><li>(a) Instances of object;
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</li><li>(b) Classes, which include kinds of object such as "container", but not other
|
|
kinds such as "number";
|
|
</li><li>(c) Constant text values — note: this does not mean values of the I7 "text"
|
|
kind, this means only text literals in Inter;
|
|
</li><li>(d) Functions;
|
|
</li><li>(e) 0, which is also the value of the non-object <span class="extract"><span class="extract-syntax">nothing</span></span>.
|
|
</li></ul>
|
|
<p class="commentary">Note that there is no requirement for these ranges of value to be contiguous,
|
|
or to exhaust the whole range of 32-bit values (and they do not). We provide
|
|
a function <span class="extract"><span class="extract-syntax">i7_metaclass</span></span> which returns <span class="extract"><span class="extract-syntax">Class</span></span>, <span class="extract"><span class="extract-syntax">Object</span></span>, <span class="extract"><span class="extract-syntax">String</span></span>, <span class="extract"><span class="extract-syntax">Routine</span></span>
|
|
or 0 in cases (a) to (e), or 0 for any values not fitting any of these: this
|
|
function implements the <span class="extract"><span class="extract-syntax">!metaclass</span></span> primitive.
|
|
</p>
|
|
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>In this C runtime, <span class="extract"><span class="extract-syntax">nothing</span></span> will be 0, as is mandatory; <span class="extract"><span class="extract-syntax">Class</span></span>, <span class="extract"><span class="extract-syntax">Object</span></span>,
|
|
<span class="extract"><span class="extract-syntax">String</span></span> and <span class="extract"><span class="extract-syntax">Routine</span></span> will be 1 to 4 respectively; values from 5 upwards will
|
|
be assigned to objects and classes as they arise — note that these mix freely;
|
|
string values will occupy a contiguous range <span class="extract"><span class="extract-syntax">I7VAL_STRINGS_BASE</span></span> to
|
|
<span class="extract"><span class="extract-syntax">I7VAL_FUNCTIONS_BASE-1</span></span>; and function values will be in tha range
|
|
<span class="extract"><span class="extract-syntax">I7VAL_FUNCTIONS_BASE</span></span> to <span class="extract"><span class="extract-syntax">0x7FFFFFFF</span></span>, though they will certainly not fill it.
|
|
</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">CObjectModel::define_object_value_regions</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">CObjectModel::define_object_value_regions</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_ids_and_maxima_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7word_t i7_metaclass_of[] = {\n"</span><span class="plain-syntax">); </span><span class="identifier-syntax">INDENT</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"0\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">co</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">co</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_owners</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">is_class</span><span class="plain-syntax">) </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Object"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">OUTDENT</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" };\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">b</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">owner_id_count</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define I7VAL_STRINGS_BASE %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">b</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define I7VAL_FUNCTIONS_BASE %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">b</span><span class="plain-syntax"> + </span><a href="5-clt.html#SP7" class="function-link"><span class="function-syntax">CLiteralsModel::size_of_String_area</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>Those decisions give us the following <span class="extract"><span class="extract-syntax">i7_metaclass</span></span> function:
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">I7VAL_FUNCTIONS_BASE</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_Routine</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">I7VAL_STRINGS_BASE</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_String</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_metaclass_of</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. Property owners. </b>We use the term "property owner" to mean either a kind of object, or an instance
|
|
of object. This is a little loose since instances of enumerated non-object kinds
|
|
can also have properties, but those, as we'll later see, are stored quite differently.
|
|
</p>
|
|
|
|
<p class="commentary">Each property owner has a unique ID number. The special ID 0 is reserved for <span class="extract"><span class="Extracts-extract-syntax">nothing</span></span>,
|
|
meaning the absence of such an owner, so we can only use 1 upwards; and as we've seen,
|
|
1 to 4 are used for the four metaclasses <span class="extract"><span class="Extracts-extract-syntax">Class</span></span>, <span class="extract"><span class="Extracts-extract-syntax">Object</span></span>, <span class="extract"><span class="Extracts-extract-syntax">String</span></span> and <span class="extract"><span class="Extracts-extract-syntax">Routine</span></span>.
|
|
After that, it's first come, first served.
|
|
</p>
|
|
|
|
<p class="commentary">Each owner has a "class", which is always the name of another owner: except that
|
|
the owner <span class="extract"><span class="Extracts-extract-syntax">Class</span></span> has the class name <span class="extract"><span class="Extracts-extract-syntax">Class</span></span>, i.e., itself.
|
|
</p>
|
|
|
|
<p class="commentary">Instances, though not of course classes, will also end up as part of an object
|
|
containment tree; so we record the initial state of that three here. For classes,
|
|
of course, <span class="extract"><span class="Extracts-extract-syntax">initial_parent</span></span>, <span class="extract"><span class="Extracts-extract-syntax">initial_sibling</span></span> and <span class="extract"><span class="Extracts-extract-syntax">initial_child</span></span> will remain <span class="extract"><span class="Extracts-extract-syntax">NULL</span></span>.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">is_class</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">class</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">property_values</span><span class="plain-syntax">; </span><span class="comment-syntax"> of </span><span class="extract"><span class="extract-syntax">C_pv_pair</span></span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">initial_parent</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">initial_sibling</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">initial_child</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
|
|
<span class="plain-syntax">} </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="function-syntax">CObjectModel::new_owner</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">CObjectModel::new_owner</span></span>:<br/><a href="5-com.html#SP13">§13</a>, <a href="5-com.html#SP17">§17</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">class_name</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">is_class</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">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"nameless property owner"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">co</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">class</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">class_name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">is_class</span><span class="plain-syntax"> = </span><span class="identifier-syntax">is_class</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">property_values</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NEW_LINKED_LIST</span><span class="plain-syntax">(</span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_parent</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">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_sibling</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">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_child</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">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">current_owner</span><span class="plain-syntax">) = </span><span class="identifier-syntax">co</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">co</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_owners</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">co</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>The structure C_property_owner is accessed in 5/cas and here.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b>The (constant) array <span class="extract"><span class="extract-syntax">i7_class_of[id]</span></span> accepts any ID for a class or instance,
|
|
and evaluates to the ID of its classname. So, for example, <span class="extract"><span class="extract-syntax">i7_class_of[1] == 1</span></span>
|
|
expresses that the classname of <span class="extract"><span class="extract-syntax">Class</span></span> is <span class="extract"><span class="extract-syntax">Class</span></span> itself. Here we compile
|
|
a declaration for that array.
|
|
</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">CObjectModel::compile_ofclass_array</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">CObjectModel::compile_ofclass_array</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_ids_and_maxima_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7word_t i7_class_of[] = { 0"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">co</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">co</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_owners</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">); </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">class</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" };\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</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>The existence of the <span class="extract"><span class="extract-syntax">i7_class_of</span></span> array at runtime makes it possible to
|
|
implement the primitive <span class="extract"><span class="extract-syntax">!ofclass</span></span> reasonably efficiently. Note that it may need
|
|
to recurse up the class hierarchy. If A is of class B whose superclass is C, then
|
|
<span class="extract"><span class="extract-syntax">i7_ofclass(A, B)</span></span> and <span class="extract"><span class="extract-syntax">i7_ofclass(A, C)</span></span> are both true, as it <span class="extract"><span class="extract-syntax">i7_ofclass(B, C)</span></span>.
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_ofclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_ofclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">)) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">I7VAL_FUNCTIONS_BASE</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_Routine</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">I7VAL_STRINGS_BASE</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_String</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_Class</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_Class</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_metaclass_of</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">] == </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">cl_found</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_class_of</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">while</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">cl_found</span><span class="Extracts-plain-syntax"> != </span><span class="Extracts-identifier-syntax">i7_mgl_Class</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">cl_id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">cl_found</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">cl_found</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_class_of</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">cl_found</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>Here we compile code to initialise the tree. This happens in two stages: first
|
|
the tree is blanked out so that nothing contains anything else, and that's done
|
|
with an unchanging function in the C library:
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_empty_object_tree</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_empty_object_tree</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_calloc</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">sizeof</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax">));</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_calloc</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">sizeof</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax">));</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_calloc</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">sizeof</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax">));</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">for</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">=0; </span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax"><</span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">; </span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">++) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b>And secondly, there is dynamic code (i.e. different for different compilations)
|
|
to store the initial values as recorded in the <span class="extract"><span class="Extracts-extract-syntax">initial_*</span></span> fields:
|
|
</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">CObjectModel::write_i7_initialise_object_tree</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">CObjectModel::write_i7_initialise_object_tree</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_initialiser_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"void i7_initialise_object_tree(i7process_t *proc) {\n"</span><span class="plain-syntax">); </span><span class="identifier-syntax">INDENT</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">co</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">co</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_owners</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">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_parent</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"proc->state.object_tree_parent["</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"] = "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_parent</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">";\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_sibling</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"proc->state.object_tree_sibling["</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"] = "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_sibling</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">";\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_child</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"proc->state.object_tree_child["</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"] = "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">co</span><span class="plain-syntax">-></span><span class="element-syntax">initial_child</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">";\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">OUTDENT</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</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. Runtime classes. </b>Classes arise either (i) as one of the four fundamental metaclasses, which
|
|
we automatically declare at the start of each run, or (ii) when a kind of
|
|
object is declared. Here is (i):
|
|
</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">CObjectModel::declare_metaclasses</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">CObjectModel::declare_metaclasses</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP13" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_class</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP13" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_class</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Object"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP13" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_class</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"String"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP13" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_class</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Routine"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. </b>And here is (ii):
|
|
</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">CObjectModel::declare_kind</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">CObjectModel::declare_kind</span></span>:<br/><a href="5-com.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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">kind_s</span><span class="plain-syntax">, </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> *</span><span class="identifier-syntax">saved</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">kind_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">RunningPipelines::get_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">from_step</span><span class="plain-syntax">, </span><span class="identifier-syntax">object_kind_RPSYM</span><span class="plain-syntax">)) ||</span>
|
|
<span class="plain-syntax"> (</span><a href="2-vo.html#SP7" class="function-link"><span class="function-syntax">VanillaObjects::is_kind_of_object</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP12_1" class="named-paragraph-link"><span class="named-paragraph">Declare a kind of object</span><span class="named-paragraph-number">12.1</span></a></span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-vo.html#SP8" class="function-link"><span class="function-syntax">VanillaObjects::value_kind_with_properties</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP15" class="function-link"><span class="function-syntax">CObjectModel::vph_object</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP12_1" class="paragraph-anchor"></a><b>§12.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Declare a kind of object</span><span class="named-paragraph-number">12.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">class_name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">printed_name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Metadata::optional_textual</span><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterPackage::container</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">-></span><span class="identifier-syntax">definition</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"^printed_name"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super_class</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">super_name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TypenameInstruction::super</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">super_name</span><span class="plain-syntax">) </span><span class="identifier-syntax">super_class</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">super_name</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">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">super_class</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">super_class</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-syntax">"Class"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP13" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_class</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">class_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">printed_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">super_class</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP12">§12</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP13" class="paragraph-anchor"></a><b>§13. </b>In either case (i) or (ii) the following is called:
|
|
</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">CObjectModel::new_runtime_class</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">CObjectModel::new_runtime_class</span></span>:<br/><a href="5-com.html#SP11">§11</a>, <a href="5-com.html#SP12_1">§12.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">class_name</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">printed_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super_class</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">owner_id_count</span><span class="plain-syntax">)++;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_ids_and_maxima_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define "</span><span class="plain-syntax">); </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">class_name</span><span class="plain-syntax">); </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</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">printed_name</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_kinds_symbols_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define %S %d\n"</span><span class="plain-syntax">, </span><a href="5-fnc.html#SP7" class="function-link"><span class="function-syntax">CTarget::symbols_header_identifier</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"K"</span><span class="plain-syntax">, </span><span class="identifier-syntax">printed_name</span><span class="plain-syntax">), </span><span class="identifier-syntax">id</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP6" class="function-link"><span class="function-syntax">CObjectModel::new_owner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">class_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">super_class</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</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. Runtime instances. </b>These arise either (i) as pseudo-objects provided by kits — the Inform 7
|
|
compiler never itself generates pseudo-objects; or (ii) as property-holder
|
|
objects to hold the properties of an enumerated non-object kind, where one
|
|
such object exists for each such kind; or (iii), the most obvious way, as
|
|
the runtime form of instances of Inform 7 objects. For example, the rooms,
|
|
things and people of a work of interactive fiction would each be cases of (iii).
|
|
</p>
|
|
|
|
<p class="commentary">Here is (i). After a typical IF run through Inform 7, this produces only
|
|
two pseudo-objects, <span class="extract"><span class="extract-syntax">Compass</span></span> and <span class="extract"><span class="extract-syntax">thedark</span></span>.
|
|
</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">CObjectModel::pseudo_object</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">CObjectModel::pseudo_object</span></span>:<br/><a href="5-com.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">obj_name</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">obj</span><span class="plain-syntax"> = </span><a href="5-com.html#SP17" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_object</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Object"</span><span class="plain-syntax">, </span><span class="identifier-syntax">obj_name</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">obj_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Compass"</span><span class="plain-syntax">)) </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">compass_instance</span><span class="plain-syntax">) = </span><span class="identifier-syntax">obj</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP15" class="paragraph-anchor"></a><b>§15. </b>Here is (ii). Each enumerated kind produces one of these. In a typical
|
|
IF run, for example, there is one for the kind "scene".
|
|
</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">CObjectModel::vph_object</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">CObjectModel::vph_object</span></span>:<br/><a href="5-com.html#SP12">§12</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP25" class="function-link"><span class="function-syntax">CObjectModel::write_vph_identifier</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP17" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_object</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Object"</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">instance_name</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. </b>And here is (iii).
|
|
</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">CObjectModel::declare_instance</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">CObjectModel::declare_instance</span></span>:<br/><a href="5-com.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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">inst_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">enumeration</span><span class="plain-syntax">, </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ignored_saved</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">printed_name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Metadata::optional_textual</span><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterPackage::container</span><span class="plain-syntax">(</span><span class="identifier-syntax">inst_s</span><span class="plain-syntax">-></span><span class="identifier-syntax">definition</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"^printed_name"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">is_enumerative</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">RunningPipelines::get_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">from_step</span><span class="plain-syntax">, </span><span class="identifier-syntax">object_kind_RPSYM</span><span class="plain-syntax">)) ||</span>
|
|
<span class="plain-syntax"> (</span><a href="2-vo.html#SP7" class="function-link"><span class="function-syntax">VanillaObjects::is_kind_of_object</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP16_1" class="named-paragraph-link"><span class="named-paragraph">Declare an object instance</span><span class="named-paragraph-number">16.1</span></a></span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">is_enumerative</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP25" class="function-link"><span class="function-syntax">CObjectModel::define_constant_for_enumeration</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inst_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">enumeration</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">seg</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">is_enumerative</span><span class="plain-syntax">)?</span><span class="identifier-syntax">c_enum_symbols_I7CGS:c_instances_symbols_I7CGS</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">seg</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define %S %d\n"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="5-fnc.html#SP7" class="function-link"><span class="function-syntax">CTarget::symbols_header_identifier</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"I"</span><span class="plain-syntax">, </span><span class="identifier-syntax">printed_name</span><span class="plain-syntax">), </span><span class="identifier-syntax">enumeration</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP16_1" class="paragraph-anchor"></a><b>§16.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Declare an object instance</span><span class="named-paragraph-number">16.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="identifier-syntax">SymbolAnnotation::get_i</span><span class="plain-syntax">(</span><span class="identifier-syntax">inst_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">ARROW_COUNT_IANN</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> < </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">is_dir</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TypenameInstruction::is_a</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">RunningPipelines::get_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">from_step</span><span class="plain-syntax">, </span><span class="identifier-syntax">direction_kind_RPSYM</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax"> = </span><a href="5-com.html#SP17" class="function-link"><span class="function-syntax">CObjectModel::new_runtime_object</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">), </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">inst_s</span><span class="plain-syntax">), </span><span class="identifier-syntax">c</span><span class="plain-syntax">, </span><span class="identifier-syntax">is_dir</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">enumeration</span><span class="plain-syntax"> = </span><span class="identifier-syntax">owner</span><span class="plain-syntax">-></span><span class="element-syntax">id</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP16">§16</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP17" class="paragraph-anchor"></a><b>§17. </b>Whether it's from case (i), (ii) or (iii), we always end up here. Note that
|
|
<span class="extract"><span class="extract-syntax">acount</span></span> is negative only in cases (i) and (ii): if it is at least 0, then it
|
|
is the "arrow count", that is, its depth in the containment tree. (Calls are
|
|
made here in a hierarchical depth-first traverse of the containment tree.)
|
|
</p>
|
|
|
|
<p class="commentary">All direction objects have to be placed in the <span class="extract"><span class="extract-syntax">Compass</span></span> pseudo-object.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="function-syntax">CObjectModel::new_runtime_object</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">CObjectModel::new_runtime_object</span></span>:<br/><a href="5-com.html#SP14">§14</a>, <a href="5-com.html#SP15">§15</a>, <a href="5-com.html#SP16_1">§16.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">class_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">acount</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">is_dir</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">owner_id_count</span><span class="plain-syntax">)++;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_ids_and_maxima_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</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">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"nameless instance"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define "</span><span class="plain-syntax">); </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">); </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">this</span><span class="plain-syntax"> = </span><a href="5-com.html#SP6" class="function-link"><span class="function-syntax">CObjectModel::new_owner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">class_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">acount</span><span class="plain-syntax"> >= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP17_1" class="named-paragraph-link"><span class="named-paragraph">Place this in the object containment tree</span><span class="named-paragraph-number">17.1</span></a></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">this</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP17_1" class="paragraph-anchor"></a><b>§17.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Place this in the object containment tree</span><span class="named-paragraph-number">17.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">acount</span><span class="plain-syntax"> >= </span><span class="constant-syntax">MAX_C_OBJECT_TREE_DEPTH</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"arrows too deep"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">par</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">this</span><span class="plain-syntax">-></span><span class="identifier-syntax">initial_parent</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">acount</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">par</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="identifier-syntax">arrow_chain</span><span class="plain-syntax">)[</span><span class="identifier-syntax">acount</span><span class="plain-syntax">-1];</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">par</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">"arrows misaligned"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">is_dir</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">par</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="identifier-syntax">compass_instance</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">par</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">par</span><span class="plain-syntax">-></span><span class="element-syntax">initial_child</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">par</span><span class="plain-syntax">-></span><span class="element-syntax">initial_child</span><span class="plain-syntax"> = </span><span class="identifier-syntax">this</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">older</span><span class="plain-syntax"> = </span><span class="identifier-syntax">par</span><span class="plain-syntax">-></span><span class="element-syntax">initial_child</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">older</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">older</span><span class="plain-syntax">-></span><span class="element-syntax">initial_sibling</span><span class="plain-syntax">)) </span><span class="identifier-syntax">older</span><span class="plain-syntax"> = </span><span class="identifier-syntax">older</span><span class="plain-syntax">-></span><span class="element-syntax">initial_sibling</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">older</span><span class="plain-syntax">-></span><span class="element-syntax">initial_sibling</span><span class="plain-syntax"> = </span><span class="identifier-syntax">this</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">this</span><span class="plain-syntax">-></span><span class="element-syntax">initial_parent</span><span class="plain-syntax"> = </span><span class="identifier-syntax">par</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">arrow_chain</span><span class="plain-syntax">)[</span><span class="identifier-syntax">acount</span><span class="plain-syntax">] = </span><span class="identifier-syntax">this</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=</span><span class="identifier-syntax">acount</span><span class="plain-syntax">+1; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="constant-syntax">MAX_C_OBJECT_TREE_DEPTH</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">arrow_chain</span><span class="plain-syntax">)[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
</pre>
|
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<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP17">§17</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP18" class="paragraph-anchor"></a><b>§18. The property dictionary. </b>Each distinct property has a distinct ID. These count upwards from 0, and can
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freely overlap with owner IDs or anything else. Their order is not significant.
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</p>
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|
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<p class="commentary">Properties are recognised here by name, using a dictionary.
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</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
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|
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">either_or</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
|
|
<span class="plain-syntax">} </span><span class="reserved-syntax">C_property</span><span class="plain-syntax">;</span>
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|
<span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="function-syntax">CObjectModel::property_by_name</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">CObjectModel::property_by_name</span></span>:<br/><a href="5-com.html#SP20">§20</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">either_or</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_properties</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cp</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">Dictionaries::find</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</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">cp</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">C_property</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">cp</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">cp</span><span class="plain-syntax">-></span><span class="element-syntax">either_or</span><span class="plain-syntax"> = </span><span class="identifier-syntax">either_or</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">cp</span><span class="plain-syntax">-></span><span class="element-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">property_id_counter</span><span class="plain-syntax">)++;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Dictionaries::create</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Dictionaries::write_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, (</span><span class="reserved-syntax">void</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">cp</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">cp</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::read_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
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|
<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">cp</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>The structure C_property is accessed in 5/cas and here.</li></ul>
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|
<p class="commentary firstcommentary"><a id="SP19" class="paragraph-anchor"></a><b>§19. </b></p>
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|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="function-syntax">CObjectModel::existing_property_by_name</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">CObjectModel::existing_property_by_name</span></span>:<br/><a href="5-com.html#SP21">§21</a>, <a href="5-com.html#SP22">§22</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_properties</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">Dictionaries::find</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</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 such property"</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">Dictionaries::read_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP20" class="paragraph-anchor"></a><b>§20. Declaring properties. </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">CObjectModel::declare_property</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">CObjectModel::declare_property</span></span>:<br/><a href="5-com.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">all_forms</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">either_or</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">SymbolAnnotation::get_b</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">EITHER_OR_IANN</span><span class="plain-syntax">)) </span><span class="identifier-syntax">either_or</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cp</span><span class="plain-syntax"> = </span><a href="5-com.html#SP18" class="function-link"><span class="function-syntax">CObjectModel::property_by_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">either_or</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inner_name</span><span class="plain-syntax"> = </span><a href="2-vo.html#SP3" class="function-link"><span class="function-syntax">VanillaObjects::inner_property_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">);</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP20_1" class="named-paragraph-link"><span class="named-paragraph">Define the inner name as a constant</span><span class="named-paragraph-number">20.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP20_2" class="named-paragraph-link"><span class="named-paragraph">Make the opening two metadata array entries required by Vanilla</span><span class="named-paragraph-number">20.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP20_3" class="named-paragraph-link"><span class="named-paragraph">Define the property name in the symbols header file too</span><span class="named-paragraph-number">20.3</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP20_1" class="paragraph-anchor"></a><b>§20.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Define the inner name as a constant</span><span class="named-paragraph-number">20.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_predeclarations_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">inner_name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">cp</span><span class="plain-syntax">-></span><span class="element-syntax">id</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP20">§20</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP20_2" class="paragraph-anchor"></a><b>§20.2. </b>The Vanilla algorithm says we must make two array entries here, at the start
|
|
of the property's runtime metadata array. The Inform 6 generator uses the first
|
|
of those entries to say how values of this property are stored at runtime; for
|
|
C, though, all properties have the same runtime format, and we don't use the
|
|
first entry at all. We'll simply zero it.
|
|
</p>
|
|
|
|
<p class="commentary">But the second entry is the inner property, as with Inform 6.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make the opening two metadata array entries required by Vanilla</span><span class="named-paragraph-number">20.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</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">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="string-syntax">"0"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Str::clear</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-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="identifier-syntax">inner_name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">)</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP20">§20</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP20_3" class="paragraph-anchor"></a><b>§20.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Define the property name in the symbols header file too</span><span class="named-paragraph-number">20.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pname</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Metadata::optional_textual</span><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterPackage::container</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">-></span><span class="identifier-syntax">definition</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"^name"</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">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">A</span><span class="plain-syntax"> = </span><span class="identifier-syntax">SymbolAnnotation::get_i</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_ARRAY_ADDRESS_IANN</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">A</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">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_property_symbols_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define %S %d\n"</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><a href="5-fnc.html#SP7" class="function-link"><span class="function-syntax">CTarget::symbols_header_identifier</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"P"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pname</span><span class="plain-syntax">), </span><span class="identifier-syntax">A</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP20">§20</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP21" class="paragraph-anchor"></a><b>§21. Assigning properties. </b>Vabilla calls this to assign a property to a single owner:
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</p>
|
|
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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">CObjectModel::assign_property</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">CObjectModel::assign_property</span></span>:<br/><a href="5-com.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">pair</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">X</span><span class="plain-syntax">) {</span>
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|
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">inline_this</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">InterValuePairs::is_symbolic</span><span class="plain-syntax">(</span><span class="identifier-syntax">pair</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">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterValuePairs::to_symbol_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">pair</span><span class="plain-syntax">, </span><span class="identifier-syntax">X</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">S</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">SymbolAnnotation::get_b</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">INLINE_ARRAY_IANN</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inline_this</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</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-cg.html#SP11" class="function-link"><span class="function-syntax">CodeGen::select_temporary</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</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-cg.html#SP16" class="function-link"><span class="function-syntax">CodeGen::pair</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">X</span><span class="plain-syntax">, </span><span class="identifier-syntax">pair</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><a href="2-cg.html#SP11" class="function-link"><span class="function-syntax">CodeGen::deselect_temporary</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">current_owner</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop</span><span class="plain-syntax"> = </span><a href="5-com.html#SP19" class="function-link"><span class="function-syntax">CObjectModel::existing_property_by_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP23" class="function-link"><span class="function-syntax">CObjectModel::assign_one_prop</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">prop</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="identifier-syntax">inline_this</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP22" class="paragraph-anchor"></a><b>§22. </b>And it calls this to give an array of the property's values for all of the
|
|
instances of a single enumerated kind:
|
|
</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">CObjectModel::assign_properties</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">CObjectModel::assign_properties</span></span>:<br/><a href="5-com.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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">kind_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">array</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">mgl</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">mgl</span><span class="plain-syntax">, </span><span class="identifier-syntax">array</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">current_owner</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop</span><span class="plain-syntax"> = </span><a href="5-com.html#SP19" class="function-link"><span class="function-syntax">CObjectModel::existing_property_by_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop_name</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP23" class="function-link"><span class="function-syntax">CObjectModel::assign_one_prop</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">prop</span><span class="plain-syntax">, </span><span class="identifier-syntax">mgl</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">mgl</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP23" class="paragraph-anchor"></a><b>§23. </b>In either case, the following assigns a property value to an owner, though
|
|
all it really does is to stash it away for now:
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">inlined</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
|
|
<span class="plain-syntax">} </span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CObjectModel::assign_one_prop</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">CObjectModel::assign_one_prop</span></span>:<br/><a href="5-com.html#SP21">§21</a>, <a href="5-com.html#SP22">§22</a>, <a href="5-com.html#SP24_1">§24.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">inline_this</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pair</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pair</span><span class="plain-syntax">-></span><span class="identifier-syntax">prop</span><span class="plain-syntax"> = </span><span class="identifier-syntax">prop</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pair</span><span class="plain-syntax">-></span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</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">pair</span><span class="plain-syntax">-></span><span class="identifier-syntax">inlined</span><span class="plain-syntax"> = </span><span class="identifier-syntax">inline_this</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">pair</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">-></span><span class="element-syntax">property_values</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>The structure C_pv_pair is private to this section.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24" class="paragraph-anchor"></a><b>§24. </b>Creating all those //C_pv_pair//s was just playing for time, though: eventually
|
|
we have to do this —
|
|
</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">CObjectModel::write_i7_initialiser</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">CObjectModel::write_i7_initialiser</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_initialiser_I7CGS</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"void i7_initialiser(i7process_t *proc) {\n"</span><span class="plain-syntax">); </span><span class="identifier-syntax">INDENT</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"for (int id=0; id<i7_max_objects; id++) {\n"</span><span class="plain-syntax">); </span><span class="identifier-syntax">INDENT</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"for (int p=0; p<i7_no_property_ids; p++) {\n"</span><span class="plain-syntax">); </span><span class="identifier-syntax">INDENT</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_properties[id].address[p] = 0;\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_properties[id].len[p] = 0;\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">OUTDENT</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">OUTDENT</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property_owner</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">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property_owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">declared_owners</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_pv_pair</span><span class="plain-syntax"> *</span><span class="identifier-syntax">vals</span><span class="plain-syntax">[1024];</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"><1024; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="identifier-syntax">vals</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP24" class="function-link"><span class="function-syntax">CObjectModel::gather_properties_into_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">vals</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"><1024; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">vals</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">C_pv_pair</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pair</span><span class="plain-syntax"> = </span><span class="identifier-syntax">vals</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_properties["</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"].address[i7_read_word(proc, "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">pair</span><span class="plain-syntax">-></span><span class="element-syntax">prop</span><span class="plain-syntax">-></span><span class="element-syntax">name</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", 1)] = "</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">pair</span><span class="plain-syntax">-></span><span class="element-syntax">inlined</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S;\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pair</span><span class="plain-syntax">-></span><span class="element-syntax">val</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%d; </span><span class="comment-syntax"> %S\n", C_GEN_DATA(memdata.himem), pair->val);</span>
|
|
<span class="string-syntax"> CMemoryModel::array_entry(NULL, gen, pair->val, WORD_ARRAY_FORMAT);</span>
|
|
<span class="string-syntax"> }</span>
|
|
<span class="string-syntax"> WRITE("</span><span class="identifier-syntax">i7_properties</span><span class="plain-syntax">[</span><span class="string-syntax">");</span>
|
|
<span class="string-syntax"> Generators::mangle(gen, OUT, owner->name);</span>
|
|
<span class="string-syntax"> WRITE("</span><span class="plain-syntax">].</span><span class="identifier-syntax">len</span><span class="plain-syntax">[</span><span class="identifier-syntax">i7_read_word</span><span class="plain-syntax">(</span><span class="identifier-syntax">proc</span><span class="plain-syntax">, </span><span class="string-syntax">");</span>
|
|
<span class="string-syntax"> Generators::mangle(gen, OUT, pair->prop->name);</span>
|
|
<span class="string-syntax"> WRITE("</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">)] = </span><span class="string-syntax">");</span>
|
|
<span class="string-syntax"> if (pair->inlined) {</span>
|
|
<span class="string-syntax"> WRITE("</span><span class="plain-syntax">%</span><span class="identifier-syntax">S__xt</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">;\</span><span class="identifier-syntax">n</span><span class="string-syntax">", pair->val);</span>
|
|
<span class="string-syntax"> } else {</span>
|
|
<span class="string-syntax"> WRITE("</span><span class="constant-syntax">1</span><span class="plain-syntax">;\</span><span class="identifier-syntax">n</span><span class="string-syntax">");</span>
|
|
<span class="string-syntax"> }</span>
|
|
<span class="string-syntax"> }</span>
|
|
<span class="string-syntax"> }</span>
|
|
<span class="string-syntax"> OUTDENT; WRITE("</span><span class="plain-syntax">}\</span><span class="identifier-syntax">n</span><span class="string-syntax">");</span>
|
|
<span class="string-syntax"> CodeGen::deselect(gen, saved);</span>
|
|
<span class="string-syntax">}</span>
|
|
|
|
<span class="string-syntax">void CObjectModel::gather_properties_into_array(code_generation *gen,</span>
|
|
<span class="string-syntax"> C_property_owner *owner, C_pv_pair **vals) {</span>
|
|
<span class="string-syntax"> C_property_owner *super = NULL;</span>
|
|
<span class="string-syntax"> C_property_owner *co;</span>
|
|
<span class="string-syntax"> LOOP_OVER_LINKED_LIST(co, C_property_owner, C_GEN_DATA(objdata.declared_owners)) {</span>
|
|
<span class="string-syntax"> if (Str::eq(co->name, owner->class)) { super = co; break; }</span>
|
|
<span class="string-syntax"> }</span>
|
|
<span class="string-syntax"> if (Str::eq(owner->name, I"</span><span class="identifier-syntax">Class</span><span class="string-syntax">"))</span>
|
|
<span class="string-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP24_1" class="named-paragraph-link"><span class="named-paragraph">Ensure that Class itself has every either-or property, with the value false</span><span class="named-paragraph-number">24.1</span></a></span><span class="string-syntax">;</span>
|
|
<span class="string-syntax"> if (super != owner) CObjectModel::gather_properties_into_array(gen, super, vals);</span>
|
|
<span class="string-syntax"> C_pv_pair *pair;</span>
|
|
<span class="string-syntax"> LOOP_OVER_LINKED_LIST(pair, C_pv_pair, owner->property_values) {</span>
|
|
<span class="string-syntax"> vals[pair->prop->id] = pair;</span>
|
|
<span class="string-syntax"> }</span>
|
|
<span class="string-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>The function CObjectModel::gather_properties_into_array appears nowhere else.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_1" class="paragraph-anchor"></a><b>§24.1. </b>The import of this is that because every owner's super-owner's super-owner...
|
|
and so on ends in <span class="extract"><span class="extract-syntax">Class</span></span>, and because <span class="extract"><span class="extract-syntax">Class</span></span> provides every either-or property,
|
|
it follows that every owner provides every either-or property. And in the absence
|
|
of any more specific data, it will be initially <span class="extract"><span class="extract-syntax">false</span></span>.
|
|
</p>
|
|
|
|
<p class="commentary">This is not true of other properties, which have different runtime semantics.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Ensure that Class itself has every either-or property, with the value false</span><span class="named-paragraph-number">24.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">Class_either_or_properties_not_set</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">Class_either_or_properties_not_set</span><span class="plain-syntax">) = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">C_property</span><span class="plain-syntax"> *</span><span class="identifier-syntax">prop</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">prop</span><span class="plain-syntax">, </span><span class="reserved-syntax">C_property</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">prop</span><span class="plain-syntax">-></span><span class="element-syntax">either_or</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="5-com.html#SP23" class="function-link"><span class="function-syntax">CObjectModel::assign_one_prop</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">prop</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"0"</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP24">§24</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP25" class="paragraph-anchor"></a><b>§25. Instances which are not objects. </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">CObjectModel::define_constant_for_enumeration</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">CObjectModel::define_constant_for_enumeration</span></span>:<br/><a href="5-com.html#SP16">§16</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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">kind_s</span><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="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">enumeration</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">enumeration</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP11" class="function-link"><span class="function-syntax">Generators::declare_constant</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">inst_s</span><span class="plain-syntax">, </span><span class="constant-syntax">RAW_GDCFORM</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">DISCARD_TEXT</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">void</span><span class="plain-syntax"> </span><span class="function-syntax">CObjectModel::write_vph_identifier</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">CObjectModel::write_vph_identifier</span></span>:<br/><a href="5-com.html#SP15">§15</a>, <a href="5-com.html#SP25_2">§25.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUTPUT_STREAM</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">kind_s</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"VPH_%d"</span><span class="plain-syntax">, </span><a href="2-vo.html#SP6" class="function-link"><span class="function-syntax">VanillaObjects::weak_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CObjectModel::make_enumerated_property_arrays</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">CObjectModel::make_enumerated_property_arrays</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">value_ranges_needed</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP25_1" class="named-paragraph-link"><span class="named-paragraph">Make the value ranges</span><span class="named-paragraph-number">25.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">objdata</span><span class="plain-syntax">.</span><span class="element-syntax">value_property_holders_needed</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-com.html#SP25_2" class="named-paragraph-link"><span class="named-paragraph">Make the value property holders</span><span class="named-paragraph-number">25.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP25_1" class="paragraph-anchor"></a><b>§25.1. </b>This is an array indexed by weak kind ID which holds the largest valid value
|
|
for an enumerated kind; or just 0 if the kind is not an enumeration.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make the value ranges</span><span class="named-paragraph-number">25.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP4" class="function-link"><span class="function-syntax">CMemoryModel::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"value_ranges"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP5" class="function-link"><span class="function-syntax">CMemoryModel::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"0"</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</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">max_weak_id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbolsTable::URL_to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">from</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="string-syntax">"/main/synoptic/kinds/BASE_KIND_HWM"</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">max_weak_id</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">M</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbol::evaluate_to_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">max_weak_id</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">w</span><span class="plain-syntax">=1; </span><span class="identifier-syntax">w</span><span class="plain-syntax"><</span><span class="identifier-syntax">M</span><span class="plain-syntax">; </span><span class="identifier-syntax">w</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">written</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">kinds_in_declaration_order</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-vo.html#SP6" class="function-link"><span class="function-syntax">VanillaObjects::weak_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">) == </span><span class="identifier-syntax">w</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-vo.html#SP8" class="function-link"><span class="function-syntax">VanillaObjects::value_kind_with_properties</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">written</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">TypenameInstruction::instance_count</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP5" class="function-link"><span class="function-syntax">CMemoryModel::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">written</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP5" class="function-link"><span class="function-syntax">CMemoryModel::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"0"</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP7" class="function-link"><span class="function-syntax">CMemoryModel::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP25">§25</a>.</li></ul>
|
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<p class="commentary firstcommentary"><a id="SP25_2" class="paragraph-anchor"></a><b>§25.2. </b>This is an array indexed by weak kind ID which holds the object ID of the
|
|
value property holder for an enumerated kind; or just 0 if the kind is not an
|
|
enumeration.
|
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</p>
|
|
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|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make the value property holders</span><span class="named-paragraph-number">25.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
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<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP4" class="function-link"><span class="function-syntax">CMemoryModel::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"value_property_holders"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP5" class="function-link"><span class="function-syntax">CMemoryModel::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"0"</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</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">max_weak_id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbolsTable::URL_to_symbol</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">from</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="string-syntax">"/main/synoptic/kinds/BASE_KIND_HWM"</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">max_weak_id</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">M</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterSymbol::evaluate_to_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">max_weak_id</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">w</span><span class="plain-syntax">=1; </span><span class="identifier-syntax">w</span><span class="plain-syntax"><</span><span class="identifier-syntax">M</span><span class="plain-syntax">; </span><span class="identifier-syntax">w</span><span class="plain-syntax">++) {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">written</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">kinds_in_declaration_order</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><a href="2-vo.html#SP6" class="function-link"><span class="function-syntax">VanillaObjects::weak_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">) == </span><span class="identifier-syntax">w</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><a href="2-vo.html#SP8" class="function-link"><span class="function-syntax">VanillaObjects::value_kind_with_properties</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</span><span class="plain-syntax">)) {</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">written</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</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">N</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><a href="5-com.html#SP25" class="function-link"><span class="function-syntax">CObjectModel::write_vph_identifier</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind_s</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">M</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><a href="2-cg2.html#SP15" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">M</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="5-cmm.html#SP5" class="function-link"><span class="function-syntax">CMemoryModel::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">M</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</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">M</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">N</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> }</span>
|
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">written</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><a href="5-cmm.html#SP5" class="function-link"><span class="function-syntax">CMemoryModel::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"0"</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
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<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="5-cmm.html#SP7" class="function-link"><span class="function-syntax">CMemoryModel::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">WORD_ARRAY_FORMAT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="5-com.html#SP25">§25</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP26" class="paragraph-anchor"></a><b>§26. Primitives. </b>The following primitives are all implemented by calling suitable C functions,
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|
which we will then need to write in <span class="extract"><span class="extract-syntax">inform7_clib.h</span></span>.
|
|
</p>
|
|
|
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<p class="commentary">For <span class="extract"><span class="extract-syntax">i7_metaclass</span></span>, see <a href="5-com.html#SP4" class="internal">CObjectModel::define_object_value_regions</a> above.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">CObjectModel::invoke_primitive</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">CObjectModel::invoke_primitive</span></span>:<br/>C Program Control - <a href="5-cpc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">bip</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_tree_node</span><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">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">bip</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PROPERTYARRAY_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_prop_addr(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_2C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">VNODE_3C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PROPERTYLENGTH_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_prop_len(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_2C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">VNODE_3C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">MOVE_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_move(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_2C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">REMOVE_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_move(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">", 0)"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">CHILD_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_child(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">CHILDREN_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_children(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PARENT_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_parent(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SIBLING_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_sibling(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">METACLASS_BIP:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_metaclass(proc, "</span><span class="plain-syntax">); </span><span class="constant-syntax">VNODE_1C</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span><span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NOT_APPLICABLE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP27" class="paragraph-anchor"></a><b>§27. </b>Let's start with property address and property length; while actual property
|
|
values live inside process memory, the addresses showing where they are in that
|
|
memory, and how many bytes they take up, are held in (static) arrays. Note that
|
|
although multiple processes running the same I7 story would have multiple values
|
|
for these properties, which likely differ at any given time, they would be at
|
|
the same address and of the same length in each.
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-plain-syntax">#</span><span class="Extracts-identifier-syntax">define</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">I7_MAX_PROPERTY_IDS</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1000</span>
|
|
<span class="Extracts-identifier-syntax">typedef</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">struct</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_property_set</span><span class="Extracts-plain-syntax"> {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">I7_MAX_PROPERTY_IDS</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">len</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">I7_MAX_PROPERTY_IDS</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax">} </span><span class="Extracts-identifier-syntax">i7_property_set</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-identifier-syntax">i7_property_set</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[];</span>
|
|
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_prop_addr</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_prop_len</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<p class="commentary">Lengths are returned in bytes, not words, hence the multiplication by 4.
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">i7_property_set</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">];</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_prop_len</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">) {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">) ||</span>
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|
<span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax"> < </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_no_property_ids</span><span class="Extracts-plain-syntax">)) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">4</span><span class="Extracts-plain-syntax">*</span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">].</span><span class="Extracts-identifier-syntax">len</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">];</span>
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|
<span class="Extracts-plain-syntax">}</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_prop_addr</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">) {</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">);</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">) ||</span>
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|
<span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax"> < </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_no_property_ids</span><span class="Extracts-plain-syntax">)) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">].</span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">];</span>
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|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
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|
<p class="commentary firstcommentary"><a id="SP28" class="paragraph-anchor"></a><b>§28. </b>The address array can be used to determine whether a runtime object or class
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provides a given property: if the address is nonzero then it does.
|
|
</p>
|
|
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|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_provides</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_provides</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">) {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">);</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">) ||</span>
|
|
<span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> < </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_no_property_ids</span><span class="Extracts-plain-syntax">)) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">while</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> != </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">) {</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">].</span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">] != </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_class_of</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP29" class="paragraph-anchor"></a><b>§29. </b>Now <span class="extract"><span class="Extracts-extract-syntax">i7_move</span></span>, which moves <span class="extract"><span class="Extracts-extract-syntax">obj</span></span> in the object tree so that it becomes the
|
|
eldest child of <span class="extract"><span class="Extracts-extract-syntax">to</span></span>, unless <span class="extract"><span class="Extracts-extract-syntax">to</span></span> is zero, in which case it is removed from
|
|
the tree.
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_move</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_move</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">)) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">) {</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">] == </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> } </span><span class="Extracts-identifier-syntax">else</span><span class="Extracts-plain-syntax"> {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">while</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax"> != </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax">] == </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">];</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">] = </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">;</span>
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<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
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|
<p class="commentary firstcommentary"><a id="SP30" class="paragraph-anchor"></a><b>§30. </b>Now the four ways to interrogate the object containment tree:
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</p>
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<pre class="Extracts-displayed-code all-displayed-code code-font">
|
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_parent</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_child</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_children</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_sibling</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_parent</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) {</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) != </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_child</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) != </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_child</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_children</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) != </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax">=0;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">for</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">=0; </span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax"><</span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">; </span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">++)</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">i</span><span class="Extracts-plain-syntax">] == </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">)</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax">++;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">c</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_sibling</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">) != </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_sibling</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP31" class="paragraph-anchor"></a><b>§31. </b>And the implementation of "is <span class="extract"><span class="Extracts-extract-syntax">obj1</span></span> directly a child of <span class="extract"><span class="Extracts-extract-syntax">obj2</span></span>?"
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_in</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj1</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj2</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_in</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj1</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj2</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj1</span><span class="Extracts-plain-syntax">) != </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">obj2</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">-></span><span class="Extracts-identifier-syntax">state</span><span class="Extracts-plain-syntax">.</span><span class="Extracts-identifier-syntax">object_tree_parent</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">obj1</span><span class="Extracts-plain-syntax">] == </span><span class="Extracts-identifier-syntax">obj2</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP32" class="paragraph-anchor"></a><b>§32. Reading, writing and changing object properties. </b></p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">way</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">) ||</span>
|
|
<span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> < </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_no_property_ids</span><span class="Extracts-plain-syntax">)) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">while</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">].</span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">] == </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_class_of</span><span class="Extracts-plain-syntax">[</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_Class</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">].</span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr_array</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_max_objects</span><span class="Extracts-plain-syntax">) ||</span>
|
|
<span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> < </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-identifier-syntax">i7_no_property_ids</span><span class="Extracts-plain-syntax">)) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">printf</span><span class="Extracts-plain-syntax">("</span><span class="Extracts-identifier-syntax">impossible</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">property</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">write</span><span class="Extracts-plain-syntax"> (%</span><span class="Extracts-identifier-syntax">d</span><span class="Extracts-plain-syntax">, %</span><span class="Extracts-identifier-syntax">d</span><span class="Extracts-plain-syntax">)\</span><span class="Extracts-identifier-syntax">n</span><span class="Extracts-plain-syntax">", </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_fatal_exit</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_properties</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">].</span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">[(</span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">];</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">i7_write_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">address</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">else</span><span class="Extracts-plain-syntax"> {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">printf</span><span class="Extracts-plain-syntax">("</span><span class="Extracts-identifier-syntax">impossible</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">property</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">write</span><span class="Extracts-plain-syntax"> (%</span><span class="Extracts-identifier-syntax">d</span><span class="Extracts-plain-syntax">, %</span><span class="Extracts-identifier-syntax">d</span><span class="Extracts-plain-syntax">)\</span><span class="Extracts-identifier-syntax">n</span><span class="Extracts-plain-syntax">", </span><span class="Extracts-identifier-syntax">owner_id</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">prop_id</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_fatal_exit</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
|
|
<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">way</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">), </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">switch</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">way</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_SET</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">); </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">to</span><span class="Extracts-plain-syntax">; </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_PREDEC</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">-1; </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">-1); </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_POSTDEC</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">; </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">-1); </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_PREINC</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">+1; </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">+1); </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_POSTINC</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">; </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">+1); </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_SETBIT</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax"> | </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax">; </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax">); </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">case</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_lvalue_CLEARBIT</span><span class="Extracts-plain-syntax">:</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax"> &(~</span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax">); </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax">); </span><span class="Extracts-identifier-syntax">break</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">new_val</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP33" class="paragraph-anchor"></a><b>§33. Reading, writing and changing general properties. </b>And these are the exactly analogous functions which more generally read, write
|
|
or change properties which can be held by either objects or enumerated instances —
|
|
in other words, all properties. The additional kind argument <span class="extract"><span class="Extracts-extract-syntax">K</span></span> is then needed
|
|
to distinguish these cases (since the <span class="extract"><span class="Extracts-extract-syntax">obj</span></span> values for different kinds may well
|
|
coincide).
|
|
</p>
|
|
|
|
<p class="commentary">The functions themselves are simple enough, but there is a complication, which
|
|
is that they need to use addresses which vary from one compilation to another;
|
|
so they cannot be written straightforwardly into our C library, which has to
|
|
be the same for all compilations. We get around this by compiling wrapper
|
|
functions in our story-file C which supply the necessary information and then
|
|
call clumsy but static functions in the C library; but this is all transparent
|
|
to the user, who should call only these:
|
|
</p>
|
|
|
|
<pre class="Extracts-displayed-code all-displayed-code code-font">
|
|
<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_provides_gprop</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_gprop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_gprop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_gprop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">form</span><span class="Extracts-plain-syntax">);</span>
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</pre>
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<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
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<p class="commentary firstcommentary"><a id="SP34" class="paragraph-anchor"></a><b>§34. </b>So here are the dynamic wrappers.
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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">CObjectModel::compile_gprop_functions</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">CObjectModel::compile_gprop_functions</span></span>:<br/><a href="5-com.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">segmentation_pos</span><span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_function_declarations_I7CGS</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP12" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#ifdef i7_mgl_OBJECT_TY\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"int i7_provides_gprop(i7process_t *proc, i7word_t K, i7word_t obj, i7word_t p) {\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" return i7_provides_gprop_inner(proc, K, obj, p, i7_mgl_OBJECT_TY,\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7_mgl_value_ranges, i7_mgl_value_property_holders, i7_mgl_COL_HSIZE);\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7word_t i7_read_gprop_value(i7process_t *proc, i7word_t K, i7word_t obj, i7word_t p) {\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" return i7_read_gprop_value_inner(proc, K, obj, p, i7_mgl_OBJECT_TY,\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7_mgl_value_ranges, i7_mgl_value_property_holders, i7_mgl_COL_HSIZE);\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"void i7_write_gprop_value(i7process_t *proc, i7word_t K, i7word_t obj,\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7word_t p, i7word_t val) {\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7_write_gprop_value_inner(proc, K, obj, p, val, i7_mgl_OBJECT_TY,\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7_mgl_value_ranges, i7_mgl_value_property_holders, i7_mgl_COL_HSIZE);\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"void i7_change_gprop_value(i7process_t *proc, i7word_t K, i7word_t obj,\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7word_t p, i7word_t val, i7word_t form) {\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7_change_gprop_value_inner(proc, K, obj, p, val, form, i7_mgl_OBJECT_TY,\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" i7_mgl_value_ranges, i7_mgl_value_property_holders, i7_mgl_COL_HSIZE);\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#endif\n"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-cg.html#SP10" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</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="SP35" class="paragraph-anchor"></a><b>§35. </b>And these are the static functions in the C library which they call:
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</p>
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<pre class="Extracts-displayed-code all-displayed-code code-font">
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<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_provides_gprop_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_gprop_value_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_gprop_value_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">);</span>
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|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_gprop_value_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">p</span><span class="Extracts-plain-syntax">,</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">form</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.h.</li></ul>
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<pre class="Extracts-displayed-code all-displayed-code code-font">
|
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<span class="Extracts-identifier-syntax">int</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_provides_gprop_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">) {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((((</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">) && ((</span><span class="Extracts-identifier-syntax">i7_metaclass</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">) == </span><span class="Extracts-identifier-syntax">i7_mgl_Object</span><span class="Extracts-plain-syntax">)))) &&</span>
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<span class="Extracts-plain-syntax"> (((</span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">) == </span><span class="Extracts-constant-syntax">2</span><span class="Extracts-plain-syntax">) || (</span><span class="Extracts-identifier-syntax">i7_provides</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">)))))</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
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<span class="Extracts-plain-syntax"> } </span><span class="Extracts-identifier-syntax">else</span><span class="Extracts-plain-syntax"> {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((((</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> >= </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">)) && ((</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> <= </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">))))) {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> (((</span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax">) && ((</span><span class="Extracts-identifier-syntax">i7_provides</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">))))) </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">1</span><span class="Extracts-plain-syntax">;</span>
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<span class="Extracts-plain-syntax"> }</span>
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<span class="Extracts-plain-syntax"> }</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
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<span class="Extracts-plain-syntax">}</span>
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<span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_gprop_value_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">) {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-constant-syntax">0</span><span class="Extracts-plain-syntax">;</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">)) {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-plain-syntax"> } </span><span class="Extracts-identifier-syntax">else</span><span class="Extracts-plain-syntax"> {</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> (</span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax">) </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">,</span>
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<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">), (</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> + </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">));</span>
|
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<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">return</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">;</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_gprop_value_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">,</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">)) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> } </span><span class="Extracts-identifier-syntax">else</span><span class="Extracts-plain-syntax"> {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_write_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">), (</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> + </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">), </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax">}</span>
|
|
|
|
<span class="Extracts-identifier-syntax">void</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_gprop_value_inner</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">i7process_t</span><span class="Extracts-plain-syntax"> *</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">form</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_ranges</span><span class="Extracts-plain-syntax">,</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">if</span><span class="Extracts-plain-syntax"> ((</span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax"> == </span><span class="Extracts-identifier-syntax">i7_mgl_OBJECT_TY</span><span class="Extracts-plain-syntax">)) {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">form</span><span class="Extracts-plain-syntax">);</span>
|
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<span class="Extracts-plain-syntax"> } </span><span class="Extracts-identifier-syntax">else</span><span class="Extracts-plain-syntax"> {</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7word_t</span><span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax"> = </span><span class="Extracts-identifier-syntax">i7_read_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">i7_mgl_value_property_holders</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">K</span><span class="Extracts-plain-syntax">);</span>
|
|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_change_word</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">,</span>
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|
<span class="Extracts-plain-syntax"> </span><span class="Extracts-identifier-syntax">i7_read_prop_value</span><span class="Extracts-plain-syntax">(</span><span class="Extracts-identifier-syntax">proc</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">holder</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">pr</span><span class="Extracts-plain-syntax">), (</span><span class="Extracts-identifier-syntax">obj</span><span class="Extracts-plain-syntax"> + </span><span class="Extracts-identifier-syntax">i7_mgl_COL_HSIZE</span><span class="Extracts-plain-syntax">), </span><span class="Extracts-identifier-syntax">val</span><span class="Extracts-plain-syntax">, </span><span class="Extracts-identifier-syntax">form</span><span class="Extracts-plain-syntax">);</span>
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<span class="Extracts-plain-syntax"> }</span>
|
|
<span class="Extracts-plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>This is part of the extract file inform7_clib.c.</li></ul>
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