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Graham Nelson ab4646111b Made inter_symbol somewhat leaner
2019-07-26 08:59:23 +01:00

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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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<title>4/trc</title>
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<!--Weave of '4/tic' generated by 7-->
<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">inter</a></li><li><a href="index.html#4">Chapter 4: Void Constructs</a></li><li><b>The Instance Construct</b></li></ul><p class="purpose">Defining the instance construct.</p>
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">INSTANCE_IST</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Instance::define</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::create_construct</span><span class="plain">(</span>
<span class="constant">INSTANCE_IST</span><span class="plain">,</span>
<span class="identifier">L</span><span class="string">"instance (%i+) (%c+)"</span><span class="plain">,</span>
<span class="identifier">I</span><span class="string">"instance"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"instances"</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_READ_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Instance::read</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_TRANSPOSE_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Instance::transpose</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_VERIFY_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Instance::verify</span><span class="plain">);</span>
<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">IC</span><span class="plain">, </span><span class="constant">CONSTRUCT_WRITE_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Instance::write</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Inter::Instance::define is used in 3/dfn (<a href="3-dfn.html#SP3">&#167;3</a>).</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. </b></p>
<pre class="definitions">
<span class="definitionkeyword">define</span> <span class="constant">DEFN_INST_IFLD</span><span class="plain"> 2</span>
<span class="definitionkeyword">define</span> <span class="constant">KIND_INST_IFLD</span><span class="plain"> 3</span>
<span class="definitionkeyword">define</span> <span class="constant">VAL1_INST_IFLD</span><span class="plain"> 4</span>
<span class="definitionkeyword">define</span> <span class="constant">VAL2_INST_IFLD</span><span class="plain"> 5</span>
<span class="definitionkeyword">define</span> <span class="constant">PLIST_INST_IFLD</span><span class="plain"> 6</span>
<span class="definitionkeyword">define</span> <span class="constant">PERM_LIST_INST_IFLD</span><span class="plain"> 7</span>
<span class="definitionkeyword">define</span> <span class="constant">EXTENT_INST_IFR</span><span class="plain"> 8</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Instance::read</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_bookmark</span><span class="plain"> *</span><span class="identifier">IBM</span><span class="plain">, </span><span class="reserved">inter_line_parse</span><span class="plain"> *</span><span class="identifier">ilp</span><span class="plain">, </span><span class="reserved">inter_error_location</span><span class="plain"> *</span><span class="identifier">eloc</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::vet_level</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">INSTANCE_IST</span><span class="plain">, </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;indent_level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Inter::Annotations::exist</span><span class="plain">(&amp;(</span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;set</span><span class="plain">))) { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Errors::plain</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"__annotations are not allowed"</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">ktext</span><span class="plain"> = </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], *</span><span class="identifier">vtext</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="identifier">match_results</span><span class="plain"> </span><span class="identifier">mr2</span><span class="plain"> = </span><span class="identifier">Regexp::create_mr</span><span class="plain">();</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr2</span><span class="plain">, </span><span class="identifier">ktext</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"(%i+) = (%c+)"</span><span class="plain">)) { </span><span class="identifier">ktext</span><span class="plain"> = </span><span class="identifier">mr2</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]; </span><span class="identifier">vtext</span><span class="plain"> = </span><span class="identifier">mr2</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1]; }</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_name</span><span class="plain"> = </span><span class="functiontext">Inter::Textual::new_symbol</span><span class="plain">(</span><span class="identifier">eloc</span><span class="plain">, </span><span class="functiontext">Inter::Bookmarks::scope</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0], </span><span class="identifier">E</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_kind</span><span class="plain"> = </span><span class="functiontext">Inter::Textual::find_symbol</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::tree</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">eloc</span><span class="plain">, </span><span class="functiontext">Inter::Bookmarks::scope</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">ktext</span><span class="plain">, </span><span class="constant">KIND_IST</span><span class="plain">, </span><span class="identifier">E</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_data_type</span><span class="plain"> *</span><span class="identifier">idt</span><span class="plain"> = </span><span class="functiontext">Inter::Kind::data_type</span><span class="plain">(</span><span class="identifier">inst_kind</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Inter::Types::is_enumerated</span><span class="plain">(</span><span class="identifier">idt</span><span class="plain">) == </span><span class="identifier">FALSE</span><span class="plain">)</span>
<span class="plain">{ *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Errors::quoted</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"not a kind which has instances"</span><span class="plain">, </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], </span><span class="identifier">eloc</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">v1</span><span class="plain"> = </span><span class="constant">UNDEF_IVAL</span><span class="plain">, </span><span class="identifier">v2</span><span class="plain"> = 0;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">vtext</span><span class="plain">) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Types::read</span><span class="plain">(</span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;line</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">, </span><span class="functiontext">Inter::Bookmarks::tree</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">vtext</span><span class="plain">, &amp;</span><span class="identifier">v1</span><span class="plain">, &amp;</span><span class="identifier">v2</span><span class="plain">, </span><span class="functiontext">Inter::Bookmarks::scope</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">));</span>
<span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Instance::new</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="functiontext">Inter::SymbolsTables::id_from_IRS_and_symbol</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">inst_name</span><span class="plain">), </span><span class="functiontext">Inter::SymbolsTables::id_from_IRS_and_symbol</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">inst_kind</span><span class="plain">), </span><span class="identifier">v1</span><span class="plain">, </span><span class="identifier">v2</span><span class="plain">, (</span><span class="constant">inter_t</span><span class="plain">) </span><span class="identifier">ilp</span><span class="plain">-</span><span class="element">&gt;indent_level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Instance::new</span><span class="plain">(</span><span class="reserved">inter_bookmark</span><span class="plain"> *</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">SID</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">KID</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">V1</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">V2</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">level</span><span class="plain">, </span><span class="reserved">inter_error_location</span><span class="plain"> *</span><span class="identifier">eloc</span><span class="plain">) {</span>
<span class="reserved">inter_warehouse</span><span class="plain"> *</span><span class="identifier">warehouse</span><span class="plain"> = </span><span class="functiontext">Inter::Bookmarks::warehouse</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">);</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">L1</span><span class="plain"> = </span><span class="functiontext">Inter::Warehouse::create_frame_list</span><span class="plain">(</span><span class="identifier">warehouse</span><span class="plain">);</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">L2</span><span class="plain"> = </span><span class="functiontext">Inter::Warehouse::create_frame_list</span><span class="plain">(</span><span class="identifier">warehouse</span><span class="plain">);</span>
<span class="functiontext">Inter::Warehouse::attribute_resource</span><span class="plain">(</span><span class="identifier">warehouse</span><span class="plain">, </span><span class="identifier">L1</span><span class="plain">, </span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">));</span>
<span class="functiontext">Inter::Warehouse::attribute_resource</span><span class="plain">(</span><span class="identifier">warehouse</span><span class="plain">, </span><span class="identifier">L2</span><span class="plain">, </span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">));</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="functiontext">Inter::Node::fill_6</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">INSTANCE_IST</span><span class="plain">, </span><span class="identifier">SID</span><span class="plain">, </span><span class="identifier">KID</span><span class="plain">, </span><span class="identifier">V1</span><span class="plain">, </span><span class="identifier">V2</span><span class="plain">, </span><span class="identifier">L1</span><span class="plain">, </span><span class="identifier">L2</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">, </span><span class="identifier">level</span><span class="plain">);</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::verify_construct</span><span class="plain">(</span><span class="functiontext">Inter::Bookmarks::package</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">), </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">E</span><span class="plain">;</span>
<span class="functiontext">Inter::Bookmarks::insert</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Instance::transpose</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> *</span><span class="identifier">grid</span><span class="plain">, </span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">grid_extent</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PLIST_INST_IFLD</span><span class="plain">] = </span><span class="identifier">grid</span><span class="plain">[</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PLIST_INST_IFLD</span><span class="plain">]];</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PERM_LIST_INST_IFLD</span><span class="plain">] = </span><span class="identifier">grid</span><span class="plain">[</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PERM_LIST_INST_IFLD</span><span class="plain">]];</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Instance::verify</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">owner</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.extent</span><span class="plain"> != </span><span class="constant">EXTENT_INST_IFR</span><span class="plain">) { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"extent wrong"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Verify::defn</span><span class="plain">(</span><span class="identifier">owner</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="constant">DEFN_INST_IFLD</span><span class="plain">); </span><span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::symbol_from_id</span><span class="plain">(</span><span class="functiontext">Inter::Packages::scope</span><span class="plain">(</span><span class="identifier">owner</span><span class="plain">), </span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">DEFN_INST_IFLD</span><span class="plain">]);</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Verify::symbol</span><span class="plain">(</span><span class="identifier">owner</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">KIND_INST_IFLD</span><span class="plain">], </span><span class="constant">KIND_IST</span><span class="plain">); </span><span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_kind</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::symbol_from_id</span><span class="plain">(</span><span class="functiontext">Inter::Packages::scope</span><span class="plain">(</span><span class="identifier">owner</span><span class="plain">), </span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">KIND_INST_IFLD</span><span class="plain">]);</span>
<span class="reserved">inter_data_type</span><span class="plain"> *</span><span class="identifier">idt</span><span class="plain"> = </span><span class="functiontext">Inter::Kind::data_type</span><span class="plain">(</span><span class="identifier">inst_kind</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Inter::Types::is_enumerated</span><span class="plain">(</span><span class="identifier">idt</span><span class="plain">)) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">VAL1_INST_IFLD</span><span class="plain">] == </span><span class="constant">UNDEF_IVAL</span><span class="plain">) {</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">VAL1_INST_IFLD</span><span class="plain">] = </span><span class="constant">LITERAL_IVAL</span><span class="plain">;</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">VAL2_INST_IFLD</span><span class="plain">] = </span><span class="functiontext">Inter::Kind::next_enumerated_value</span><span class="plain">(</span><span class="identifier">inst_kind</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not a kind which has instances"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Verify::value</span><span class="plain">(</span><span class="identifier">owner</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="constant">VAL1_INST_IFLD</span><span class="plain">, </span><span class="identifier">inst_kind</span><span class="plain">); </span><span class="reserved">if</span><span class="plain"> (*</span><span class="identifier">E</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">vcount</span><span class="plain"> = </span><span class="functiontext">Inter::Node::vcount</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">vcount</span><span class="plain"> == 0) {</span>
<span class="functiontext">Inter::Kind::new_instance</span><span class="plain">(</span><span class="identifier">inst_kind</span><span class="plain">, </span><span class="identifier">inst_name</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="functiontext">Inter::Instance::permissions_list</span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">kind_symbol</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">kind_symbol</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> 0;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">kind_symbol</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> 0;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PERM_LIST_INST_IFLD</span><span class="plain">];</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Instance::write</span><span class="plain">(</span><span class="reserved">inter_construct</span><span class="plain"> *</span><span class="identifier">IC</span><span class="plain">, </span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">DEFN_INST_IFLD</span><span class="plain">);</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_kind</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">KIND_INST_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">inst_name</span><span class="plain">) &amp;&amp; (</span><span class="identifier">inst_kind</span><span class="plain">)) {</span>
<span class="reserved">inter_data_type</span><span class="plain"> *</span><span class="identifier">idt</span><span class="plain"> = </span><span class="functiontext">Inter::Kind::data_type</span><span class="plain">(</span><span class="identifier">inst_kind</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">idt</span><span class="plain">) {</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"instance %S %S = "</span><span class="plain">, </span><span class="identifier">inst_name</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">, </span><span class="identifier">inst_kind</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">);</span>
<span class="functiontext">Inter::Types::write</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">,</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">VAL1_INST_IFLD</span><span class="plain">], </span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">VAL2_INST_IFLD</span><span class="plain">], </span><span class="functiontext">Inter::Packages::scope_of</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">), </span><span class="identifier">FALSE</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"instance with bad data type"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Node::error</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"bad instance"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="functiontext">Inter::Symbols::write_annotations</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inst_name</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="functiontext">Inter::Instance::properties_list</span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_name</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">inst_name</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> 0;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">inst_name</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> 0;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">PLIST_INST_IFLD</span><span class="plain">];</span>
<span class="plain">}</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Instance::kind_of</span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">inst_name</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">inst_name</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">inter_tree_node</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">inst_name</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">ID_IFLD</span><span class="plain">] != </span><span class="constant">INSTANCE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">, </span><span class="constant">KIND_INST_IFLD</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Inter::Instance::read is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Instance::new appears nowhere else.</p>
<p class="endnote">The function Inter::Instance::transpose is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Instance::verify is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Instance::permissions_list is used in 4/tpc5 (<a href="4-tpc5.html#SP2">&#167;2</a>), 4/tpc6 (<a href="4-tpc6.html#SP2">&#167;2</a>).</p>
<p class="endnote">The function Inter::Instance::write is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Instance::properties_list is used in 4/tpc5 (<a href="4-tpc5.html#SP2">&#167;2</a>).</p>
<p class="endnote">The function Inter::Instance::kind_of is used in 3/idt (<a href="3-idt.html#SP2">&#167;2</a>, <a href="3-idt.html#SP3">&#167;3</a>), 4/tpc5 (<a href="4-tpc5.html#SP2">&#167;2</a>).</p>
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