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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>3/cg</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-gb">
<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<!--Weave of '3/fc' generated by 7-->
<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">codegen</a></li><li><a href="index.html#3">Chapter 3: Inter to Final Code</a></li><li><b>Frame Control</b></li></ul><p class="purpose">To manage the final-code process, at the frame level.</p>
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. </b></p>
<pre class="display">
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">query_labels_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">, </span><span class="identifier">negate_label_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">void_level</span><span class="plain"> = 3;</span>
<span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">temporary_generation</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::prepare</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">) {</span>
<span class="identifier">query_labels_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">negate_label_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">void_level</span><span class="plain"> = 3;</span>
<span class="identifier">temporary_generation</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">CodeGen::FC::iterate</span><span class="plain">(</span><span class="identifier">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">void</span><span class="plain"> *</span><span class="identifier">state</span><span class="plain">) {</span>
<span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain"> = (</span><span class="reserved">code_generation</span><span class="plain"> *) </span><span class="identifier">state</span><span class="plain">;</span>
<span class="identifier">inter_package</span><span class="plain"> *</span><span class="identifier">outer</span><span class="plain"> = </span><span class="identifier">Inter::Packages::container</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">outer</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">Inter::Packages::is_codelike</span><span class="plain">(</span><span class="identifier">outer</span><span class="plain">) == </span><span class="identifier">FALSE</span><span class="plain">)) {</span>
<span class="reserved">generated_segment</span><span class="plain"> *</span><span class="identifier">saved</span><span class="plain"> =</span>
<span class="functiontext">CodeGen::select</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="functiontext">CodeGen::Targets::general_segment</span><span class="plain">(</span><span class="identifier">gen</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">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">ID_IFLD</span><span class="plain">]) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">CONSTANT_IST</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">INSTANCE_IST</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">PROPERTYVALUE_IST</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">VARIABLE_IST</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">SPLAT_IST</span><span class="plain">:</span>
<span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="functiontext">CodeGen::deselect</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">saved</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">CodeGen::FC::frame</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</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">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">ID_IFLD</span><span class="plain">]) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">SYMBOL_IST</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="identifier">CONSTANT_IST</span><span class="plain">: {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">con_name</span><span class="plain"> =</span>
<span class="identifier">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">DEFN_CONST_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Inter::Symbols::read_annotation</span><span class="plain">(</span><span class="identifier">con_name</span><span class="plain">, </span><span class="identifier">OBJECT_IANN</span><span class="plain">) == 1) </span><span class="reserved">break</span><span class="plain">;</span>
<span class="identifier">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain"> = </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;from</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Inter::Packages::container</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) == </span><span class="identifier">Site::main_package_if_it_exists</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">)) {</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">STDERR</span><span class="plain">, </span><span class="string">"Bad constant: %S\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">con_name</span><span class="plain">-&gt;</span><span class="identifier">symbol_name</span><span class="plain">);</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"constant defined in main"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Inter::Symbols::read_annotation</span><span class="plain">(</span><span class="identifier">con_name</span><span class="plain">, </span><span class="identifier">TEXT_LITERAL_IANN</span><span class="plain">) == 1) {</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">ID</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">DATA_CONST_IFLD</span><span class="plain">];</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="functiontext">CodeGen::CL::literal_text_at</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">,</span>
<span class="identifier">Inter::Node::ID_to_text</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">ID</span><span class="plain">));</span>
<span class="functiontext">CodeGen::select_temporary</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">);</span>
<span class="functiontext">CodeGen::CL::constant</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="functiontext">CodeGen::deselect_temporary</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="functiontext">CodeGen::CL::constant</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">VARIABLE_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::Var::knowledge</span><span class="plain">(</span><span class="identifier">gen</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="identifier">INSTANCE_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::IP::instance</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">SPLAT_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::splat</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">LOCAL_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::local</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">LABEL_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::label</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">CODE_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::code</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">EVALUATION_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::evaluation</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">REFERENCE_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::reference</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">PACKAGE_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::block</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">INV_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::inv</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">CAST_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::cast</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">VAL_IST</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">REF_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::val</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">LAB_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::FC::lab</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</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="identifier">PROPERTYVALUE_IST</span><span class="plain">: </span><span class="functiontext">CodeGen::IP::write_properties</span><span class="plain">(</span><span class="identifier">gen</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="identifier">NOP_IST</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="identifier">Inter::Defn::write_construct_text</span><span class="plain">(</span><span class="identifier">DL</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"unimplemented\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::FC::prepare is used in 3/cg (<a href="3-cg.html#SP8_1">&#167;8.1</a>).</p>
<p class="endnote">The function CodeGen::FC::iterate is used in 3/cg (<a href="3-cg.html#SP8_2">&#167;8.2</a>).</p>
<p class="endnote">The function CodeGen::FC::frame is used in <a href="#SP2">&#167;2</a>, <a href="#SP3">&#167;3</a>, 3/cal (<a href="3-cal.html#SP4">&#167;4</a>), 4/gi6 (<a href="4-gi6.html#SP2_1">&#167;2.1</a>, <a href="4-gi6.html#SP2_9">&#167;2.9</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">URL_SYMBOL_CHAR</span><span class="plain"> 0</span><span class="identifier">x00A7</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::splat</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</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">OUT</span><span class="plain"> = </span><span class="functiontext">CodeGen::current</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="identifier">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain"> = </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;from</span><span class="plain">;</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">Inter::Warehouse::get_text</span><span class="plain">(</span><span class="identifier">Inter::Tree::warehouse</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">), </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">MATTER_SPLAT_IFLD</span><span class="plain">]);</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">L</span><span class="plain"> = </span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">S</span><span class="plain">);</span>
<span class="reserved">for</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">i</span><span class="plain">&lt;</span><span class="identifier">L</span><span class="plain">; </span><span class="identifier">i</span><span class="plain">++) {</span>
<span class="identifier">wchar_t</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = </span><span class="identifier">Str::get_at</span><span class="plain">(</span><span class="identifier">S</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="constant">URL_SYMBOL_CHAR</span><span class="plain">) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">T</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">i</span><span class="plain">++; </span><span class="identifier">i</span><span class="plain">&lt;</span><span class="identifier">L</span><span class="plain">; </span><span class="identifier">i</span><span class="plain">++) {</span>
<span class="identifier">wchar_t</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = </span><span class="identifier">Str::get_at</span><span class="plain">(</span><span class="identifier">S</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="constant">URL_SYMBOL_CHAR</span><span class="plain">) </span><span class="reserved">break</span><span class="plain">;</span>
<span class="identifier">PUT_TO</span><span class="plain">(</span><span class="identifier">T</span><span class="plain">, </span><span class="identifier">c</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">symb</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::url_name_to_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">T</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="functiontext">CodeGen::CL::name</span><span class="plain">(</span><span class="identifier">symb</span><span class="plain">));</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">T</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span><span class="identifier">PUT</span><span class="plain">(</span><span class="identifier">c</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">CodeGen::FC::local</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="identifier">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="identifier">Inter::Packages::container</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::local_symbol_from_id</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">DEFN_LOCAL_IFLD</span><span class="plain">]);</span>
<span class="functiontext">CodeGen::Targets::declare_local_variable</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">var_name</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::label</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</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">OUT</span><span class="plain"> = </span><span class="functiontext">CodeGen::current</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="identifier">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="identifier">Inter::Packages::container</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">lab_name</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::local_symbol_from_id</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">DEFN_LABEL_IFLD</span><span class="plain">]);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S;\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">lab_name</span><span class="plain">-&gt;</span><span class="identifier">symbol_name</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::block</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">F</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">)</span>
<span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::code</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">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">old_level</span><span class="plain"> = </span><span class="identifier">void_level</span><span class="plain">;</span>
<span class="identifier">void_level</span><span class="plain"> = </span><span class="identifier">Inter::Defn::get_level</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) + 1;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">function_code_block</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">PAR</span><span class="plain"> = </span><span class="identifier">Inter::Tree::parent</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">PAR</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"misplaced code node"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">PAR</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">ID_IFLD</span><span class="plain">] == </span><span class="identifier">PACKAGE_IST</span><span class="plain">) </span><span class="identifier">function_code_block</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain"> = </span><span class="functiontext">CodeGen::current</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">function_code_block</span><span class="plain">) { </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">";\</span><span class="plain">n</span><span class="string">"</span><span class="plain">); </span><span class="identifier">INDENT</span><span class="plain">; }</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">F</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">)</span>
<span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">);</span>
<span class="identifier">void_level</span><span class="plain"> = </span><span class="identifier">old_level</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">function_code_block</span><span class="plain">) { </span><span class="identifier">OUTDENT</span><span class="plain">; </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"];\</span><span class="plain">n</span><span class="string">"</span><span class="plain">); }</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::evaluation</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">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">old_level</span><span class="plain"> = </span><span class="identifier">void_level</span><span class="plain">;</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">F</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">)</span>
<span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">);</span>
<span class="identifier">void_level</span><span class="plain"> = </span><span class="identifier">old_level</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::reference</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">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">old_level</span><span class="plain"> = </span><span class="identifier">void_level</span><span class="plain">;</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="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">);</span>
<span class="identifier">void_level</span><span class="plain"> = </span><span class="identifier">old_level</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::cast</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</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="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">C</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">CodeGen::FC::lab</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="identifier">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="identifier">Inter::Packages::container</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">lab</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::local_symbol_from_id</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">LABEL_LAB_IFLD</span><span class="plain">]);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">lab</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"bad lab"</span><span class="plain">);</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain"> = </span><span class="functiontext">CodeGen::current</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">query_labels_mode</span><span class="plain">) </span><span class="identifier">PUT</span><span class="plain">(</span><span class="character">'?'</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">negate_label_mode</span><span class="plain">) </span><span class="identifier">PUT</span><span class="plain">(</span><span class="character">'~'</span><span class="plain">);</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="functiontext">CodeGen::CL::name</span><span class="plain">(</span><span class="identifier">lab</span><span class="plain">);</span>
<span class="identifier">LOOP_THROUGH_TEXT</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::get</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">) != </span><span class="character">'.'</span><span class="plain">)</span>
<span class="identifier">PUT</span><span class="plain">(</span><span class="identifier">Str::get</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">));</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::val_from</span><span class="plain">(</span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="identifier">inter_bookmark</span><span class="plain"> *</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">val1</span><span class="plain">, </span><span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">val2</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Inter::Symbols::is_stored_in_data</span><span class="plain">(</span><span class="identifier">val1</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">)) {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">symb</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_data_pair_and_table</span><span class="plain">(</span>
<span class="identifier">val1</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">, </span><span class="identifier">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">symb</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"bad symbol"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="functiontext">CodeGen::CL::name</span><span class="plain">(</span><span class="identifier">symb</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="identifier">val1</span><span class="plain">) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">UNDEF_IVAL</span><span class="plain">:</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"value undefined"</span><span class="plain">);</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">LITERAL_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">LITERAL_TEXT_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">GLOB_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">DWORD_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">REAL_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">PDWORD_IVAL</span><span class="plain">:</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">temporary_generation</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="functiontext">CodeGen::Targets::make_targets</span><span class="plain">();</span>
<span class="identifier">temporary_generation</span><span class="plain"> =</span>
<span class="functiontext">CodeGen::new_generation</span><span class="plain">(</span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">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="functiontext">CodeGen::I6::target</span><span class="plain">());</span>
<span class="plain">}</span>
<span class="functiontext">CodeGen::select_temporary</span><span class="plain">(</span><span class="identifier">temporary_generation</span><span class="plain">, </span><span class="identifier">OUT</span><span class="plain">);</span>
<span class="functiontext">CodeGen::CL::literal</span><span class="plain">(</span><span class="identifier">temporary_generation</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">val1</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">);</span>
<span class="functiontext">CodeGen::deselect_temporary</span><span class="plain">(</span><span class="identifier">temporary_generation</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">CodeGen::FC::val</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">val_kind</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">KIND_VAL_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">val_kind</span><span class="plain">) {</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">val1</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">VAL1_VAL_IFLD</span><span class="plain">];</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">val2</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">VAL2_VAL_IFLD</span><span class="plain">];</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Inter::Symbols::is_stored_in_data</span><span class="plain">(</span><span class="identifier">val1</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">)) {</span>
<span class="identifier">inter_package</span><span class="plain"> *</span><span class="identifier">pack</span><span class="plain"> = </span><span class="identifier">Inter::Packages::container</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">);</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">symb</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::local_symbol_from_id</span><span class="plain">(</span><span class="identifier">pack</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">symb</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">symb</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_id</span><span class="plain">(</span><span class="identifier">Inter::Packages::scope_of</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">), </span><span class="identifier">val2</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">symb</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"bad val"</span><span class="plain">);</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">OUT</span><span class="plain"> = </span><span class="functiontext">CodeGen::current</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="functiontext">CodeGen::CL::name</span><span class="plain">(</span><span class="identifier">symb</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="identifier">val1</span><span class="plain">) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">UNDEF_IVAL</span><span class="plain">:</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"value undefined"</span><span class="plain">);</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">LITERAL_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">LITERAL_TEXT_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">GLOB_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">DWORD_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">REAL_IVAL</span><span class="plain">:</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">PDWORD_IVAL</span><span class="plain">:</span>
<span class="functiontext">CodeGen::CL::literal</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">val1</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">, </span><span class="identifier">FALSE</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">internal_error</span><span class="plain">(</span><span class="string">"bad val"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::FC::splat is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::local is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::label is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::block is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::code is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::evaluation is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::reference is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::cast is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::lab is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::FC::val_from appears nowhere else.</p>
<p class="endnote">The function CodeGen::FC::val is used in <a href="#SP1">&#167;1</a>.</p>
<p class="inwebparagraph"><a id="SP3"></a><b>&#167;3. </b></p>
<pre class="definitions">
<span class="definitionkeyword">define</span> <span class="constant">INV_A1</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">Inter::Tree::first_child</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">))</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A1_PRINTMODE</span><span class="plain"> </span><span class="functiontext">CodeGen::CL::enter_print_mode</span><span class="plain">(); </span><span class="constant">INV_A1</span><span class="plain">; </span><span class="functiontext">CodeGen::CL::exit_print_mode</span><span class="plain">();</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A1_BOXMODE</span><span class="plain"> </span><span class="functiontext">CodeGen::CL::enter_box_mode</span><span class="plain">(); </span><span class="constant">INV_A1</span><span class="plain">; </span><span class="functiontext">CodeGen::CL::exit_box_mode</span><span class="plain">();</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A2</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">Inter::Tree::second_child</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">))</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A3</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">Inter::Tree::third_child</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">))</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A4</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">Inter::Tree::fourth_child</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">))</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A5</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">Inter::Tree::fifth_child</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">))</span>
<span class="definitionkeyword">define</span> <span class="constant">INV_A6</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">Inter::Tree::sixth_child</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">))</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::FC::inv</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</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">OUT</span><span class="plain"> = </span><span class="functiontext">CodeGen::current</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">suppress_terminal_semicolon</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">switch</span><span class="plain"> (</span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">METHOD_INV_IFLD</span><span class="plain">]) {</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">INVOKED_PRIMITIVE</span><span class="plain">: {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">prim</span><span class="plain"> = </span><span class="identifier">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">prim</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"bad prim"</span><span class="plain">);</span>
<span class="identifier">suppress_terminal_semicolon</span><span class="plain"> = </span><span class="functiontext">CodeGen::Targets::compile_primitive</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">prim</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">INVOKED_ROUTINE</span><span class="plain">: {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">routine</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">INVOKEE_INV_IFLD</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">internal_error</span><span class="plain">(</span><span class="string">"bad routine"</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S("</span><span class="plain">, </span><span class="functiontext">CodeGen::CL::name</span><span class="plain">(</span><span class="identifier">routine</span><span class="plain">));</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">argc</span><span class="plain"> = 0;</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">F</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">argc</span><span class="plain">++ &gt; 0) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">", "</span><span class="plain">);</span>
<span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">")"</span><span class="plain">);</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">case</span><span class="plain"> </span><span class="identifier">INVOKED_OPCODE</span><span class="plain">: {</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">ID</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">INVOKEE_INV_IFLD</span><span class="plain">];</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="identifier">Inter::Node::ID_to_text</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">ID</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">);</span>
<span class="identifier">negate_label_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">LOOP_THROUGH_INTER_CHILDREN</span><span class="plain">(</span><span class="identifier">F</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">) {</span>
<span class="identifier">query_labels_mode</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">F</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">ID_IFLD</span><span class="plain">] == </span><span class="identifier">VAL_IST</span><span class="plain">) {</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">val1</span><span class="plain"> = </span><span class="identifier">F</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">VAL1_VAL_IFLD</span><span class="plain">];</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">val2</span><span class="plain"> = </span><span class="identifier">F</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">VAL2_VAL_IFLD</span><span class="plain">];</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Inter::Symbols::is_stored_in_data</span><span class="plain">(</span><span class="identifier">val1</span><span class="plain">, </span><span class="identifier">val2</span><span class="plain">)) {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">symb</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_id</span><span class="plain">(</span><span class="identifier">Inter::Packages::scope_of</span><span class="plain">(</span><span class="identifier">F</span><span class="plain">), </span><span class="identifier">val2</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">symb</span><span class="plain">) &amp;&amp; (</span><span class="identifier">Str::eq</span><span class="plain">(</span><span class="identifier">symb</span><span class="plain">-&gt;</span><span class="identifier">symbol_name</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"__assembly_negated_label"</span><span class="plain">))) {</span>
<span class="identifier">negate_label_mode</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">continue</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">" "</span><span class="plain">);</span>
<span class="functiontext">CodeGen::FC::frame</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">F</span><span class="plain">);</span>
<span class="identifier">query_labels_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">negate_label_mode</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">default</span><span class="plain">: </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"bad inv"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">Inter::Defn::get_level</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">) == </span><span class="identifier">void_level</span><span class="plain">) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">suppress_terminal_semicolon</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">)) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">";\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::FC::inv is used in <a href="#SP1">&#167;1</a>.</p>
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