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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../intern.html">Inter Modules</a></li><li><a href="index.html">bytecode</a></li><li><a href="index.html#4">Chapter 4: Void Constructs</a></li><li><b>The Typename Construct</b></li></ul></div>
<p class="purpose">Defining the typename construct.</p>
<ul class="toc"><li><a href="4-ttc.html#SP1">&#167;1. Definition</a></li><li><a href="4-ttc.html#SP2">&#167;2. Instructions</a></li><li><a href="4-ttc.html#SP4">&#167;4. Creating from textual Inter syntax</a></li><li><a href="4-ttc.html#SP5">&#167;5. Writing to textual Inter syntax</a></li><li><a href="4-ttc.html#SP6">&#167;6. Access functions</a></li><li><a href="4-ttc.html#SP10">&#167;10. Two tests</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. Definition. </b>For what this does and why it is used, see <a href="../inter/M-ti.html" class="internal">Textual Inter (in inter)</a>.
</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">TypenameInstruction::define_construct</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">TypenameInstruction::define_construct</span></span>:<br/>Inter Constructs - <a href="3-ic.html#SP15">&#167;15</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_construct</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IC</span><span class="plain-syntax"> = </span><a href="3-ic.html#SP1" class="function-link"><span class="function-syntax">InterInstruction::create_construct</span></a><span class="plain-syntax">(</span><span class="constant-syntax">TYPENAME_IST</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"typename"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-ic.html#SP2" class="function-link"><span class="function-syntax">InterInstruction::defines_symbol_in_fields</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">DEFN_TYPENAME_IFLD</span><span class="plain-syntax">, -1);</span>
<span class="plain-syntax"> </span><a href="3-ic.html#SP8" class="function-link"><span class="function-syntax">InterInstruction::specify_syntax</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"typename IDENTIFIER TOKEN TOKENS"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-ic.html#SP4" class="function-link"><span class="function-syntax">InterInstruction::data_extent_at_least</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">7</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-ic.html#SP3" class="function-link"><span class="function-syntax">InterInstruction::permit</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">INSIDE_PLAIN_PACKAGE_ICUP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">CONSTRUCT_READ_MTID</span><span class="plain-syntax">, </span><a href="4-ttc.html#SP4" class="function-link"><span class="function-syntax">TypenameInstruction::read</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">CONSTRUCT_TRANSPOSE_MTID</span><span class="plain-syntax">, </span><a href="4-ttc.html#SP2" class="function-link"><span class="function-syntax">TypenameInstruction::transpose</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">CONSTRUCT_VERIFY_MTID</span><span class="plain-syntax">, </span><a href="4-ttc.html#SP3" class="function-link"><span class="function-syntax">TypenameInstruction::verify</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="constant-syntax">CONSTRUCT_WRITE_MTID</span><span class="plain-syntax">, </span><a href="4-ttc.html#SP5" class="function-link"><span class="function-syntax">TypenameInstruction::write</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. Instructions. </b>In bytecode, the frame of a <span class="extract"><span class="extract-syntax">typename</span></span> instruction is laid out with the
compulsory words &mdash; see <a href="2-in.html" class="internal">Inter Nodes</a> &mdash; followed by these. The eventual
length is flexible: there can be any number of operands from 0 upwards.
</p>
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">DEFN_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">ENUM_RANGE_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">NO_INSTANCES_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">2</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">SUPER_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">3</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">PERM_LIST_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">4</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">PLIST_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">5</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">CONSTRUCTOR_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">6</span><span class="plain-syntax">)</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">OPERANDS_TYPENAME_IFLD</span><span class="plain-syntax"> (</span><span class="constant-syntax">DATA_IFLD</span><span class="plain-syntax"> + </span><span class="constant-syntax">7</span><span class="plain-syntax">)</span>
</pre>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="function-syntax">TypenameInstruction::new</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">TypenameInstruction::new</span></span>:<br/><a href="4-ttc.html#SP4">&#167;4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_bookmark</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">constructor</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super_s</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">arity</span><span class="plain-syntax">, </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> *</span><span class="identifier-syntax">operands</span><span class="plain-syntax">, </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">level</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">super_SID</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">super_s</span><span class="plain-syntax">) </span><span class="identifier-syntax">super_SID</span><span class="plain-syntax"> = </span><a href="2-st.html#SP17" class="function-link"><span class="function-syntax">InterSymbolsTable::id_at_bookmark</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="identifier-syntax">super_s</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pack</span><span class="plain-syntax"> = </span><a href="2-bkm.html#SP6" class="function-link"><span class="function-syntax">InterBookmark::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_warehouse</span><span class="plain-syntax"> *</span><span class="identifier-syntax">warehouse</span><span class="plain-syntax"> = </span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::warehouse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax"> = </span><a href="2-in.html#SP5" class="function-link"><span class="function-syntax">Inode::new_with_7_data_fields</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="constant-syntax">TYPENAME_IST</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> /* </span><span class="identifier-syntax">DEFN_TYPENAME_IFLD:</span><span class="plain-syntax"> */ </span><a href="2-st.html#SP17" class="function-link"><span class="function-syntax">InterSymbolsTable::id_at_bookmark</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="identifier-syntax">typename_s</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> /* </span><span class="identifier-syntax">ENUM_RANGE_TYPENAME_IFLD:</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">NO_INSTANCES_TYPENAME_IFLD:</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">SUPER_TYPENAME_IFLD:</span><span class="plain-syntax"> */ </span><span class="identifier-syntax">super_SID</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> /* </span><span class="identifier-syntax">PERM_LIST_TYPENAME_IFLD:</span><span class="plain-syntax"> */ </span><a href="2-tw.html#SP10" class="function-link"><span class="function-syntax">InterWarehouse::create_node_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">warehouse</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> /* </span><span class="identifier-syntax">PLIST_TYPENAME_IFLD:</span><span class="plain-syntax"> */ </span><a href="2-tw.html#SP10" class="function-link"><span class="function-syntax">InterWarehouse::create_node_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">warehouse</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> /* </span><span class="identifier-syntax">CONSTRUCTOR_TYPENAME_IFLD:</span><span class="plain-syntax"> */ </span><span class="identifier-syntax">constructor</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">level</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">arity</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-in.html#SP12" class="function-link"><span class="function-syntax">Inode::extend_instruction_by</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, (</span><span class="constant-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">arity</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">&lt;</span><span class="identifier-syntax">arity</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">OPERANDS_TYPENAME_IFLD</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">operands</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-vi.html#SP1" class="function-link"><span class="function-syntax">VerifyingInter::instruction</span></a><span class="plain-syntax">(</span><a href="2-bkm.html#SP6" class="function-link"><span class="function-syntax">InterBookmark::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">), </span><span class="identifier-syntax">P</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">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">E</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-np.html#SP3" class="function-link"><span class="function-syntax">NodePlacement::move_to_moving_bookmark</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">IBM</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">NULL</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">TypenameInstruction::transpose</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">TypenameInstruction::transpose</span></span>:<br/><a href="4-ttc.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_construct</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="reserved-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="constant-syntax">inter_ti</span><span class="plain-syntax"> *</span><span class="identifier-syntax">grid</span><span class="plain-syntax">, </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">grid_extent</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">PERM_LIST_TYPENAME_IFLD</span><span class="plain-syntax">] = </span><span class="identifier-syntax">grid</span><span class="plain-syntax">[</span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">PERM_LIST_TYPENAME_IFLD</span><span class="plain-syntax">]];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">PLIST_TYPENAME_IFLD</span><span class="plain-syntax">] = </span><span class="identifier-syntax">grid</span><span class="plain-syntax">[</span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">PLIST_TYPENAME_IFLD</span><span class="plain-syntax">]];</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. </b>Verification consists only of sanity checks.
</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">TypenameInstruction::verify</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">TypenameInstruction::verify</span></span>:<br/><a href="4-ttc.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_construct</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="reserved-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="reserved-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP6" class="function-link"><span class="function-syntax">TypenameInstruction::typename</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">ENUM_RANGE_TYPENAME_IFLD</span><span class="plain-syntax">] &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) &amp;&amp;</span>
<span class="plain-syntax"> (</span><a href="3-idt.html#SP21" class="function-link"><span class="function-syntax">InterTypes::is_enumerated</span></a><span class="plain-syntax">(</span><a href="3-idt.html#SP10" class="function-link"><span class="function-syntax">InterTypes::from_type_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_s</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">E</span><span class="plain-syntax"> = </span><a href="2-in.html#SP15" class="function-link"><span class="function-syntax">Inode::error</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"spurious extent in non-enumeration"</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">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">SUPER_TYPENAME_IFLD</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">E</span><span class="plain-syntax"> = </span><a href="3-vi.html#SP2" class="function-link"><span class="function-syntax">VerifyingInter::SID_field</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">SUPER_TYPENAME_IFLD</span><span class="plain-syntax">, </span><span class="constant-syntax">TYPENAME_IST</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">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super_s</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP6" class="function-link"><span class="function-syntax">TypenameInstruction::super</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="3-idt.html#SP21" class="function-link"><span class="function-syntax">InterTypes::is_enumerated</span></a><span class="plain-syntax">(</span><a href="3-idt.html#SP10" class="function-link"><span class="function-syntax">InterTypes::from_type_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">super_s</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">E</span><span class="plain-syntax"> = </span><a href="2-in.html#SP15" class="function-link"><span class="function-syntax">Inode::error</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"subtype of nonenumerated type"</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">return</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">E</span><span class="plain-syntax"> = </span><a href="3-vi.html#SP8" class="function-link"><span class="function-syntax">VerifyingInter::node_list_field</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">PERM_LIST_TYPENAME_IFLD</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">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-vi.html#SP8" class="function-link"><span class="function-syntax">VerifyingInter::node_list_field</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">PLIST_TYPENAME_IFLD</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">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-vi.html#SP5" class="function-link"><span class="function-syntax">VerifyingInter::constructor_field</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">CONSTRUCTOR_TYPENAME_IFLD</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">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_type</span><span class="plain-syntax"> </span><span class="identifier-syntax">type</span><span class="plain-syntax"> =</span>
<span class="plain-syntax"> </span><a href="3-idt.html#SP10" class="function-link"><span class="function-syntax">InterTypes::from_constructor_code</span></a><span class="plain-syntax">(</span><a href="4-ttc.html#SP7" class="function-link"><span class="function-syntax">TypenameInstruction::constructor</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_s</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">arity</span><span class="plain-syntax"> = </span><span class="identifier-syntax">P</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">extent</span><span class="plain-syntax"> - </span><span class="constant-syntax">OPERANDS_TYPENAME_IFLD</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">&lt;</span><span class="identifier-syntax">arity</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-vi.html#SP6" class="function-link"><span class="function-syntax">VerifyingInter::TID_field</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">owner</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">OPERANDS_TYPENAME_IFLD</span><span class="plain-syntax"> + </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (*</span><span class="identifier-syntax">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="3-idt.html#SP13" class="function-link"><span class="function-syntax">InterTypes::arity_is_possible</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">type</span><span class="plain-syntax">, </span><span class="identifier-syntax">arity</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">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">err</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::new</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">err</span><span class="plain-syntax">, </span><span class="string-syntax">"typename definition has arity %d, which is impossible for "</span><span class="plain-syntax">, </span><span class="identifier-syntax">arity</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-idt.html#SP19" class="function-link"><span class="function-syntax">InterTypes::write_type</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">err</span><span class="plain-syntax">, </span><span class="identifier-syntax">type</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="2-in.html#SP15" class="function-link"><span class="function-syntax">Inode::error</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">err</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">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. Creating from textual Inter syntax. </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">TypenameInstruction::read</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">TypenameInstruction::read</span></span>:<br/><a href="4-ttc.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_construct</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_bookmark</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_line_parse</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</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">typename_text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[0];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">operator_text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[1];</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">defn_text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[2];</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> =</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP4" class="function-link"><span class="function-syntax">TextualInter::new_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::scope</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">), </span><span class="identifier-syntax">typename_text</span><span class="plain-syntax">, </span><span class="identifier-syntax">E</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">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_semisimple_type_description</span><span class="plain-syntax"> </span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="3-idt.html#SP16" class="function-link"><span class="function-syntax">InterTypes::initialise_isstd</span></a><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">operator_text</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"&lt;="</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">super_s</span><span class="plain-syntax"> = </span><a href="3-iitf.html#SP5" class="function-link"><span class="function-syntax">TextualInter::find_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">defn_text</span><span class="plain-syntax">, </span><span class="constant-syntax">TYPENAME_IST</span><span class="plain-syntax">, </span><span class="identifier-syntax">E</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">E</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) &amp;&amp;</span>
<span class="plain-syntax"> (</span><a href="3-idt.html#SP21" class="function-link"><span class="function-syntax">InterTypes::is_enumerated</span></a><span class="plain-syntax">(</span><a href="3-idt.html#SP10" class="function-link"><span class="function-syntax">InterTypes::from_type_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">super_s</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">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP4" class="function-link"><span class="function-syntax">InterErrors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"not a type which can have subtypes"</span><span class="plain-syntax">, </span><span class="identifier-syntax">defn_text</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">.</span><span class="element-syntax">constructor_code</span><span class="plain-syntax"> = </span><span class="constant-syntax">ENUM_ITCONC</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">.</span><span class="element-syntax">arity</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">else</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">operator_text</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"="</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-idt.html#SP17" class="function-link"><span class="function-syntax">InterTypes::parse_semisimple</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[2], </span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::scope</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">parsed_description</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">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP4" class="function-link"><span class="function-syntax">InterErrors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"expected '=' or '&lt;='"</span><span class="plain-syntax">, </span><span class="identifier-syntax">operator_text</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</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">E</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">E</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP2" class="function-link"><span class="function-syntax">TypenameInstruction::new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="identifier-syntax">symb</span><span class="plain-syntax">, </span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">.</span><span class="element-syntax">constructor_code</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">super_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">.</span><span class="element-syntax">arity</span><span class="plain-syntax">, </span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">.</span><span class="element-syntax">operand_TIDs</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> (</span><span class="constant-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">indent_level</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-idt.html#SP16_1" class="function-link"><span class="function-syntax">InterTypes::dispose_of_isstd</span></a><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">parsed_description</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. Writing to textual Inter syntax. </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">TypenameInstruction::write</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">TypenameInstruction::write</span></span>:<br/><a href="4-ttc.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_construct</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IC</span><span class="plain-syntax">, </span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-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="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP6" class="function-link"><span class="function-syntax">TypenameInstruction::typename</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"typename %S "</span><span class="plain-syntax">, </span><a href="2-sym.html#SP19" class="function-link"><span class="function-syntax">InterSymbol::identifier</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">super</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP6" class="function-link"><span class="function-syntax">TypenameInstruction::super</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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</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">"&lt;= "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP10" class="function-link"><span class="function-syntax">TextualInter::write_symbol_from</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">SUPER_TYPENAME_IFLD</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">"= "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-idt.html#SP19" class="function-link"><span class="function-syntax">InterTypes::write_typename_definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">typename_s</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>&#167;6. Access functions. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">TypenameInstruction::typename</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">TypenameInstruction::typename</span></span>:<br/><a href="4-ttc.html#SP3">&#167;3</a>, <a href="4-ttc.html#SP5">&#167;5</a></span></button><span class="plain-syntax">(</span><span class="reserved-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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">P</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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><a href="2-in.html#SP13" class="function-link"><span class="function-syntax">Inode::isnt</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">TYPENAME_IST</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</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">return</span><span class="plain-syntax"> </span><a href="2-st.html#SP14" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_ID_at_node</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">DEFN_TYPENAME_IFLD</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">TypenameInstruction::super</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">TypenameInstruction::super</span></span>:<br/><a href="4-ttc.html#SP3">&#167;3</a>, <a href="4-ttc.html#SP5">&#167;5</a>, <a href="4-ttc.html#SP9">&#167;9</a>, <a href="4-ttc.html#SP10">&#167;10</a><br/>The PropertyValue Construct - <a href="4-tpc7.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">return</span><span class="plain-syntax"> </span><a href="2-st.html#SP14" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_ID_at_node</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="constant-syntax">SUPER_TYPENAME_IFLD</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_node_list</span><span class="plain-syntax"> *</span><span class="function-syntax">TypenameInstruction::permissions_list</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">TypenameInstruction::permissions_list</span></span>:<br/>The Permission Construct - <a href="4-tpc3.html#SP3">&#167;3</a><br/>The PropertyValue Construct - <a href="4-tpc7.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">return</span><span class="plain-syntax"> </span><a href="2-in.html#SP14" class="function-link"><span class="function-syntax">Inode::ID_to_frame_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">PERM_LIST_TYPENAME_IFLD</span><span class="plain-syntax">]);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_node_list</span><span class="plain-syntax"> *</span><span class="function-syntax">TypenameInstruction::properties_list</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">TypenameInstruction::properties_list</span></span>:<br/>The PropertyValue Construct - <a href="4-tpc7.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">return</span><span class="plain-syntax"> </span><a href="2-in.html#SP14" class="function-link"><span class="function-syntax">Inode::ID_to_frame_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">PLIST_TYPENAME_IFLD</span><span class="plain-syntax">]);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>&#167;7. </b>The definition of the semisimple type:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="function-syntax">TypenameInstruction::constructor</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">TypenameInstruction::constructor</span></span>:<br/><a href="4-ttc.html#SP3">&#167;3</a><br/>Inter Data Types - <a href="3-idt.html#SP10">&#167;10</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">UNCHECKED_ITCONC</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">UNCHECKED_ITCONC</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">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">CONSTRUCTOR_TYPENAME_IFLD</span><span class="plain-syntax">];</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">TypenameInstruction::arity</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">TypenameInstruction::arity</span></span>:<br/>Inter Data Types - <a href="3-idt.html#SP13">&#167;13</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">extent</span><span class="plain-syntax"> - </span><span class="constant-syntax">OPERANDS_TYPENAME_IFLD</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_type</span><span class="plain-syntax"> </span><span class="function-syntax">TypenameInstruction::operand_type</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">TypenameInstruction::operand_type</span></span>:<br/>Inter Data Types - <a href="3-idt.html#SP13">&#167;13</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_s</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-idt.html#SP12" class="function-link"><span class="function-syntax">InterTypes::unchecked</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-idt.html#SP12" class="function-link"><span class="function-syntax">InterTypes::unchecked</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> &gt;= </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">extent</span><span class="plain-syntax"> - </span><span class="constant-syntax">OPERANDS_TYPENAME_IFLD</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-idt.html#SP12" class="function-link"><span class="function-syntax">InterTypes::unchecked</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">TID</span><span class="plain-syntax"> = </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">OPERANDS_TYPENAME_IFLD</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">inter_symbols_table</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax"> = </span><a href="2-pck.html#SP12" class="function-link"><span class="function-syntax">InterPackage::scope_of</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-idt.html#SP14" class="function-link"><span class="function-syntax">InterTypes::from_TID</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">TID</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>&#167;8. </b>Enumeration counter, relevant only when the typename is enumerated:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="function-syntax">TypenameInstruction::next_enumerated_value</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">TypenameInstruction::next_enumerated_value</span></span>:<br/>The Instance Construct - <a href="4-tic2.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> ++(</span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">ENUM_RANGE_TYPENAME_IFLD</span><span class="plain-syntax">]);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>&#167;9. </b>For an enumerated typename, if a new instance is created, this 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">TypenameInstruction::new_instance</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">TypenameInstruction::new_instance</span></span>:<br/>The Instance Construct - <a href="4-tic2.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_s</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inst_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">NO_INSTANCES_TYPENAME_IFLD</span><span class="plain-syntax">]++;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP6" class="function-link"><span class="function-syntax">TypenameInstruction::super</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">S</span><span class="plain-syntax">) </span><a href="4-ttc.html#SP9" class="function-link"><span class="function-syntax">TypenameInstruction::new_instance</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">inst_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="function-syntax">TypenameInstruction::instance_count</span><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_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">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax">) </span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">NO_INSTANCES_TYPENAME_IFLD</span><span class="plain-syntax">];</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>&#167;10. Two tests. </b></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">TypenameInstruction::is</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">TypenameInstruction::is</span></span>:<br/>The Permission Construct - <a href="4-tpc3.html#SP3">&#167;3</a><br/>The PropertyValue Construct - <a href="4-tpc7.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename_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">typename_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP15" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename_s</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-in.html#SP13" class="function-link"><span class="function-syntax">Inode::is</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">D</span><span class="plain-syntax">, </span><span class="constant-syntax">TYPENAME_IST</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">TypenameInstruction::is_a</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">TypenameInstruction::is_a</span></span>:<br/>Inter Data Types - <a href="3-idt.html#SP22_2">&#167;22.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename1_s</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">typename2_s</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_type</span><span class="plain-syntax"> </span><span class="identifier-syntax">type1</span><span class="plain-syntax"> = </span><a href="3-idt.html#SP10" class="function-link"><span class="function-syntax">InterTypes::from_type_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename1_s</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_type</span><span class="plain-syntax"> </span><span class="identifier-syntax">type2</span><span class="plain-syntax"> = </span><a href="3-idt.html#SP10" class="function-link"><span class="function-syntax">InterTypes::from_type_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename2_s</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="3-idt.html#SP12" class="function-link"><span class="function-syntax">InterTypes::is_unchecked</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">type1</span><span class="plain-syntax">)) || (</span><a href="3-idt.html#SP12" class="function-link"><span class="function-syntax">InterTypes::is_unchecked</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">type2</span><span class="plain-syntax">)))</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">typename1_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">typename1_s</span><span class="plain-syntax"> == </span><span class="identifier-syntax">typename2_s</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">typename1_s</span><span class="plain-syntax"> = </span><a href="4-ttc.html#SP6" class="function-link"><span class="function-syntax">TypenameInstruction::super</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">typename1_s</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>
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