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Graham Nelson 23bc2e2dcf Finally solved template assimilation
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<!--Weave of '5/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#5">Chapter 5: Code Constructs</a></li><li><b>The Inv Construct</b></li></ul><p class="purpose">Defining the inv 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">INV_IST</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Inv::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">INV_IST</span><span class="plain">,</span>
<span class="identifier">L</span><span class="string">"inv (%C+)"</span><span class="plain">,</span>
<span class="identifier">I</span><span class="string">"inv"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"invs"</span><span class="plain">);</span>
<span class="identifier">IC</span><span class="plain">-</span><span class="element">&gt;min_level</span><span class="plain"> = 1;</span>
<span class="identifier">IC</span><span class="plain">-</span><span class="element">&gt;max_level</span><span class="plain"> = 100000000;</span>
<span class="identifier">IC</span><span class="plain">-</span><span class="element">&gt;usage_permissions</span><span class="plain"> = </span><span class="constant">INSIDE_CODE_PACKAGE</span><span class="plain"> + </span><span class="constant">CAN_HAVE_CHILDREN</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::Inv::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::Inv::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::Inv::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::Inv::write</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">VERIFY_INTER_CHILDREN_MTID</span><span class="plain">, </span><span class="functiontext">Inter::Inv::verify_children</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Inter::Inv::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">BLOCK_INV_IFLD</span><span class="plain"> 2</span>
<span class="definitionkeyword">define</span> <span class="constant">METHOD_INV_IFLD</span><span class="plain"> 3</span>
<span class="definitionkeyword">define</span> <span class="constant">INVOKEE_INV_IFLD</span><span class="plain"> 4</span>
<span class="definitionkeyword">define</span> <span class="constant">EXTENT_INV_IFR</span><span class="plain"> 5</span>
<span class="definitionkeyword">define</span> <span class="constant">INVOKED_PRIMITIVE</span><span class="plain"> 1</span>
<span class="definitionkeyword">define</span> <span class="constant">INVOKED_ROUTINE</span><span class="plain"> 2</span>
<span class="definitionkeyword">define</span> <span class="constant">INVOKED_OPCODE</span><span class="plain"> 3</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Inv::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="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="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">INV_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">inter_package</span><span class="plain"> *</span><span class="identifier">routine</span><span class="plain"> = </span><span class="functiontext">Inter::Defn::get_latest_block_package</span><span class="plain">();</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">routine</span><span class="plain"> == </span><span class="identifier">NULL</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">"'inv' used outside function"</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="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invoked_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::symbol_from_name</span><span class="plain">(</span><span class="functiontext">Inter::Tree::global_scope</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">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="reserved">if</span><span class="plain"> (</span><span class="identifier">invoked_name</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">invoked_name</span><span class="plain"> = </span><span class="functiontext">Inter::SymbolsTables::symbol_from_name</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="reserved">if</span><span class="plain"> (</span><span class="identifier">invoked_name</span><span class="plain"> == </span><span class="identifier">NULL</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">"'inv' on unknown routine or primitive"</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">eloc</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::Symbols::is_extern</span><span class="plain">(</span><span class="identifier">invoked_name</span><span class="plain">)) ||</span>
<span class="plain">(</span><span class="functiontext">Inter::Symbols::is_predeclared</span><span class="plain">(</span><span class="identifier">invoked_name</span><span class="plain">))) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::new_call</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">invoked_name</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="reserved">return</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">switch</span><span class="plain"> (</span><span class="functiontext">Inter::Symbols::definition</span><span class="plain">(</span><span class="identifier">invoked_name</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="reserved">case</span><span class="plain"> </span><span class="constant">PRIMITIVE_IST</span><span class="plain">:</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::new_primitive</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">invoked_name</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="reserved">return</span><span class="plain">;</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">CONSTANT_IST</span><span class="plain">:</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Inter::Constant::is_routine</span><span class="plain">(</span><span class="identifier">invoked_name</span><span class="plain">)) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::new_call</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">invoked_name</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="reserved">return</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">break</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::Errors::quoted</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"not a function or primitive"</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">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::Inv::new_primitive</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_symbol</span><span class="plain"> *</span><span class="identifier">invoked_name</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_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="functiontext">Inter::Node::fill_3</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">INV_IST</span><span class="plain">, 0, </span><span class="constant">INVOKED_PRIMITIVE</span><span class="plain">, </span><span class="functiontext">Inter::SymbolsTables::id_from_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">NULL</span><span class="plain">, </span><span class="identifier">invoked_name</span><span class="plain">),</span>
<span class="identifier">eloc</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_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">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Inv::new_call</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_symbol</span><span class="plain"> *</span><span class="identifier">invoked_name</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_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="functiontext">Inter::Node::fill_3</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">INV_IST</span><span class="plain">, 0, </span><span class="constant">INVOKED_ROUTINE</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">invoked_name</span><span class="plain">), </span><span class="identifier">eloc</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_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">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Inv::new_assembly</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">opcode_storage</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_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain"> = </span><span class="functiontext">Inter::Node::fill_3</span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">INV_IST</span><span class="plain">, 0, </span><span class="constant">INVOKED_OPCODE</span><span class="plain">, </span><span class="identifier">opcode_storage</span><span class="plain">, </span><span class="identifier">eloc</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_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::Inv::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="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">METHOD_INV_IFLD</span><span class="plain">] == </span><span class="constant">INVOKED_OPCODE</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">INVOKEE_INV_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">INVOKEE_INV_IFLD</span><span class="plain">]];</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Inv::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_INV_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="reserved">switch</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">METHOD_INV_IFLD</span><span class="plain">]) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">INVOKED_PRIMITIVE</span><span class="plain">:</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext">Inter::Verify::global_symbol</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">INVOKEE_INV_IFLD</span><span class="plain">], </span><span class="constant">PRIMITIVE_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">break</span><span class="plain">;</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">INVOKED_OPCODE</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">INVOKED_ROUTINE</span><span class="plain">:</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="reserved">default</span><span class="plain">:</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 invocation method"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">);</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Inv::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">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">METHOD_INV_IFLD</span><span class="plain">] == </span><span class="constant">INVOKED_OPCODE</span><span class="plain">) {</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"inv %S"</span><span class="plain">, </span><span class="functiontext">Inter::Node::ID_to_text</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">INVOKEE_INV_IFLD</span><span class="plain">]));</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</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">invokee</span><span class="plain">) {</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"inv %S"</span><span class="plain">, </span><span class="identifier">invokee</span><span class="plain">-</span><span class="element">&gt;symbol_name</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">"cannot write inv"</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="plain">}</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Inv::invokee</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">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">METHOD_INV_IFLD</span><span class="plain">] == </span><span class="constant">INVOKED_PRIMITIVE</span><span class="plain">)</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::SymbolsTables::global_symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="constant">INVOKEE_INV_IFLD</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">P</span><span class="plain">, </span><span class="constant">INVOKEE_INV_IFLD</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Inv::verify_children</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_error_message</span><span class="plain"> **</span><span class="identifier">E</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">arity_as_invoked</span><span class="plain">=0;</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">) </span><span class="identifier">arity_as_invoked</span><span class="plain">++;</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="functiontext">Inter::Inv::arity</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) != -1) &amp;&amp;</span>
<span class="plain">(</span><span class="functiontext">Inter::Inv::arity</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) != </span><span class="identifier">arity_as_invoked</span><span class="plain">)) {</span>
<span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;tree</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</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">Primitives::is_indirect_interp</span><span class="plain">(</span><span class="identifier">Primitives::to_bip</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">invokee</span><span class="plain">))) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">better</span><span class="plain"> = </span><span class="identifier">Primitives::get</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">Primitives::indirect_interp</span><span class="plain">(</span><span class="identifier">arity_as_invoked</span><span class="plain"> - 1));</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">INVOKEE_INV_IFLD</span><span class="plain">] = </span><span class="functiontext">Inter::SymbolsTables::id_from_symbol_F</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">better</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Primitives::is_indirectv_interp</span><span class="plain">(</span><span class="identifier">Primitives::to_bip</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">invokee</span><span class="plain">))) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">better</span><span class="plain"> = </span><span class="identifier">Primitives::get</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">Primitives::indirectv_interp</span><span class="plain">(</span><span class="identifier">arity_as_invoked</span><span class="plain"> - 1));</span>
<span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">INVOKEE_INV_IFLD</span><span class="plain">] = </span><span class="functiontext">Inter::SymbolsTables::id_from_symbol_F</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">better</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="functiontext">Inter::Inv::arity</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) != -1) &amp;&amp;</span>
<span class="plain">(</span><span class="functiontext">Inter::Inv::arity</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) != </span><span class="identifier">arity_as_invoked</span><span class="plain">)) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">err</span><span class="plain"> = </span><span class="identifier">Str::new</span><span class="plain">();</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">err</span><span class="plain">, </span><span class="string">"this inv of %S should have %d argument(s), but has %d"</span><span class="plain">,</span>
<span class="plain">(</span><span class="identifier">invokee</span><span class="plain">)?(</span><span class="identifier">invokee</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">):</span><span class="identifier">I</span><span class="string">"&lt;unknown&gt;"</span><span class="plain">, </span><span class="functiontext">Inter::Inv::arity</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">), </span><span class="identifier">arity_as_invoked</span><span class="plain">);</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">err</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">int</span><span class="plain"> </span><span class="identifier">i</span><span class="plain">=0;</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">) {</span>
<span class="identifier">i</span><span class="plain">++;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] == </span><span class="constant">SPLAT_IST</span><span class="plain">) </span><span class="reserved">continue</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">INV_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">REF_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">LAB_IST</span><span class="plain">) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">CODE_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">VAL_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">EVALUATION_IST</span><span class="plain">) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">REFERENCE_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">CAST_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">SPLAT_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[0] != </span><span class="constant">COMMENT_IST</span><span class="plain">)) {</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">"only inv, ref, cast, splat, lab, code, concatenate and val can be under an inv"</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="constant">inter_t</span><span class="plain"> </span><span class="identifier">cat_as_invoked</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::evaluated_category</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">);</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">cat_needed</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::operand_category</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">i</span><span class="plain">-1);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">cat_as_invoked</span><span class="plain"> != </span><span class="identifier">cat_needed</span><span class="plain">) &amp;&amp; (</span><span class="identifier">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">METHOD_INV_IFLD</span><span class="plain">] != </span><span class="constant">INVOKED_OPCODE</span><span class="plain">)) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">err</span><span class="plain"> = </span><span class="identifier">Str::new</span><span class="plain">();</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">err</span><span class="plain">, </span><span class="string">"operand %d of inv '%S' should be %s, but this is %s"</span><span class="plain">,</span>
<span class="identifier">i</span><span class="plain">, (</span><span class="identifier">invokee</span><span class="plain">)?(</span><span class="identifier">invokee</span><span class="plain">-</span><span class="element">&gt;symbol_name</span><span class="plain">):</span><span class="identifier">I</span><span class="string">"&lt;unknown&gt;"</span><span class="plain">,</span>
<span class="functiontext">Inter::Inv::cat_name</span><span class="plain">(</span><span class="identifier">cat_needed</span><span class="plain">), </span><span class="functiontext">Inter::Inv::cat_name</span><span class="plain">(</span><span class="identifier">cat_as_invoked</span><span class="plain">));</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">C</span><span class="plain">, </span><span class="identifier">err</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="plain">}</span>
<span class="plain">}</span>
<span class="reserved">char</span><span class="plain"> *</span><span class="functiontext">Inter::Inv::cat_name</span><span class="plain">(</span><span class="constant">inter_t</span><span class="plain"> </span><span class="identifier">cat</span><span class="plain">) {</span>
<span class="reserved">switch</span><span class="plain"> (</span><span class="identifier">cat</span><span class="plain">) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">REF_PRIM_CAT</span><span class="plain">: </span><span class="reserved">return</span><span class="plain"> </span><span class="string">"ref"</span><span class="plain">;</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</span><span class="plain">: </span><span class="reserved">return</span><span class="plain"> </span><span class="string">"val"</span><span class="plain">;</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">LAB_PRIM_CAT</span><span class="plain">: </span><span class="reserved">return</span><span class="plain"> </span><span class="string">"lab"</span><span class="plain">;</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">CODE_PRIM_CAT</span><span class="plain">: </span><span class="reserved">return</span><span class="plain"> </span><span class="string">"code"</span><span class="plain">;</span>
<span class="reserved">case</span><span class="plain"> 0: </span><span class="reserved">return</span><span class="plain"> </span><span class="string">"void"</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="string">"&lt;unknown&gt;"</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Inter::Inv::arity</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_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">switch</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">METHOD_INV_IFLD</span><span class="plain">]) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">INVOKED_PRIMITIVE</span><span class="plain">:</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Primitive::arity</span><span class="plain">(</span><span class="identifier">invokee</span><span class="plain">);</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">INVOKED_ROUTINE</span><span class="plain">:</span>
<span class="reserved">return</span><span class="plain"> -1;</span>
<span class="reserved">case</span><span class="plain"> </span><span class="constant">INVOKED_OPCODE</span><span class="plain">:</span>
<span class="reserved">return</span><span class="plain"> -1;</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> 0;</span>
<span class="plain">}</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="functiontext">Inter::Inv::evaluated_category</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">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">[0] == </span><span class="constant">REF_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">REF_PRIM_CAT</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">[0] == </span><span class="constant">VAL_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</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">[0] == </span><span class="constant">EVALUATION_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</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">[0] == </span><span class="constant">REFERENCE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">REF_PRIM_CAT</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">[0] == </span><span class="constant">CAST_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</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">[0] == </span><span class="constant">LAB_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">LAB_PRIM_CAT</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">[0] == </span><span class="constant">CODE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">CODE_PRIM_CAT</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">[0] == </span><span class="constant">INV_IST</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</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">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">METHOD_INV_IFLD</span><span class="plain">] == </span><span class="constant">INVOKED_PRIMITIVE</span><span class="plain">)</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Primitive::result_category</span><span class="plain">(</span><span class="identifier">invokee</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"impossible operand"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> 0;</span>
<span class="plain">}</span>
<span class="constant">inter_t</span><span class="plain"> </span><span class="functiontext">Inter::Inv::operand_category</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">int</span><span class="plain"> </span><span class="identifier">i</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">[0] == </span><span class="constant">REF_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">REF_PRIM_CAT</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">[0] == </span><span class="constant">VAL_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</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">[0] == </span><span class="constant">EVALUATION_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</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">[0] == </span><span class="constant">REFERENCE_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">REF_PRIM_CAT</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">[0] == </span><span class="constant">CAST_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</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">[0] == </span><span class="constant">LAB_IST</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">LAB_PRIM_CAT</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">[0] == </span><span class="constant">INV_IST</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">invokee</span><span class="plain"> = </span><span class="functiontext">Inter::Inv::invokee</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">P</span><span class="plain">-</span><span class="element">&gt;W.data</span><span class="plain">[</span><span class="constant">METHOD_INV_IFLD</span><span class="plain">] == </span><span class="constant">INVOKED_PRIMITIVE</span><span class="plain">)</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Inter::Primitive::operand_category</span><span class="plain">(</span><span class="identifier">invokee</span><span class="plain">, </span><span class="identifier">i</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="constant">VAL_PRIM_CAT</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"impossible operand"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> 0;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Inter::Inv::read is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Inv::new_primitive appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::new_call appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::new_assembly appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::transpose is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Inv::verify is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Inv::write is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Inv::invokee appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::verify_children is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function Inter::Inv::cat_name appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::arity appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::evaluated_category appears nowhere else.</p>
<p class="endnote">The function Inter::Inv::operand_category appears nowhere else.</p>
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