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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inter Modules</a></li><li><a href="index.html">bytecode</a></li><li><a href="index.html#5">Chapter 5: Code Constructs</a></li><li><b>The Evaluation Construct</b></li></ul><p class="purpose">Defining the Evaluation 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">EVALUATION_IST</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Evaluation::define<button class="popup" onclick="togglePopup('usagePopup489')">...<span class="popuptext" id="usagePopup489">Usage of <b>Inter::Evaluation::define</b>:<br>Definition - <a href="3-dfn.html#SP3">&#167;3</a></span></button></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"><a href="3-dfn.html#SP1">Inter::Defn::create_construct</a></span><span class="plain">(</span>
<span class="constant">EVALUATION_IST</span><span class="plain">,</span>
<span class="identifier">L</span><span class="string">"evaluation"</span><span class="plain">,</span>
<span class="identifier">I</span><span class="string">"evaluation"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"evaluations"</span><span class="plain">);</span>
<span class="identifier">IC</span><span class="plain">-&gt;</span><span class="element">min_level</span><span class="plain"> = </span><span class="constant">1</span><span class="plain">;</span>
<span class="identifier">IC</span><span class="plain">-&gt;</span><span class="element">max_level</span><span class="plain"> = </span><span class="constant">100000000</span><span class="plain">;</span>
<span class="identifier">IC</span><span class="plain">-&gt;</span><span class="element">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"><a href="#SP2">Inter::Evaluation::read</a></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"><a href="#SP2">Inter::Evaluation::verify</a></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"><a href="#SP2">Inter::Evaluation::write</a></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"><a href="#SP2">Inter::Evaluation::verify_children</a></span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></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_EVAL_IFLD</span><span class="plain"> </span><span class="constant">2</span>
<span class="definitionkeyword">define</span> <span class="constant">EXTENT_EVAL_IFR</span><span class="plain"> </span><span class="constant">3</span>
</pre>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Evaluation::read<button class="popup" onclick="togglePopup('usagePopup490')">...<span class="popuptext" id="usagePopup490">Usage of <b>Inter::Evaluation::read</b>:<br><a href="#SP1">&#167;1</a></span></button></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"><a href="2-ann.html#SP2">Inter::Annotations::exist</a></span><span class="plain">(&amp;(</span><span class="identifier">ilp</span><span class="plain">-&gt;</span><span class="element">set</span><span class="plain">))) { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext"><a href="3-ie.html#SP1">Inter::Errors::plain</a></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"><a href="3-dfn.html#SP4">Inter::Defn::vet_level</a></span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">EVALUATION_IST</span><span class="plain">, </span><span class="identifier">ilp</span><span class="plain">-&gt;</span><span class="element">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"><a href="3-dfn.html#SP4">Inter::Defn::get_latest_block_package</a></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"><a href="3-ie.html#SP1">Inter::Errors::plain</a></span><span class="plain">(</span><span class="identifier">I</span><span class="string">"'evaluation' 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="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext"><a href="#SP2">Inter::Evaluation::new</a></span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">ilp</span><span class="plain">-&gt;</span><span class="element">indent_level</span><span class="plain">, </span><span class="identifier">eloc</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">inter_error_message</span><span class="plain"> *</span><span class="functiontext">Inter::Evaluation::new<button class="popup" onclick="togglePopup('usagePopup491')">...<span class="popuptext" id="usagePopup491">Usage of <b>Inter::Evaluation::new</b>:<br>none</span></button></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">int</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"><a href="2-in.html#SP4">Inter::Node::fill_1</a></span><span class="plain">(</span><span class="identifier">IBM</span><span class="plain">, </span><span class="constant">EVALUATION_IST</span><span class="plain">, </span><span class="constant">0</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"><a href="3-dfn.html#SP4">Inter::Defn::verify_construct</a></span><span class="plain">(</span><span class="functiontext"><a href="2-bkm.html#SP1">Inter::Bookmarks::package</a></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"><a href="2-bkm.html#SP1">Inter::Bookmarks::insert</a></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::Evaluation::verify<button class="popup" onclick="togglePopup('usagePopup492')">...<span class="popuptext" id="usagePopup492">Usage of <b>Inter::Evaluation::verify</b>:<br><a href="#SP1">&#167;1</a></span></button></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">-&gt;</span><span class="element">W</span><span class="plain">.</span><span class="element">extent</span><span class="plain"> != </span><span class="constant">EXTENT_EVAL_IFR</span><span class="plain">) { *</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext"><a href="2-in.html#SP6">Inter::Node::error</a></span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"extent wrong"</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Evaluation::write<button class="popup" onclick="togglePopup('usagePopup493')">...<span class="popuptext" id="usagePopup493">Usage of <b>Inter::Evaluation::write</b>:<br><a href="#SP1">&#167;1</a></span></button></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="identifier">WRITE</span><span class="plain">(</span><span class="string">"evaluation"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Evaluation::verify_children<button class="popup" onclick="togglePopup('usagePopup494')">...<span class="popuptext" id="usagePopup494">Usage of <b>Inter::Evaluation::verify_children</b>:<br><a href="#SP1">&#167;1</a></span></button></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="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="reserved">if</span><span class="plain"> ((</span><span class="identifier">C</span><span class="plain">-&gt;</span><span class="element">W</span><span class="plain">.</span><span class="identifier">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">-&gt;</span><span class="element">W</span><span class="plain">.</span><span class="element">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">-&gt;</span><span class="element">W</span><span class="plain">.</span><span class="element">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">-&gt;</span><span class="element">W</span><span class="plain">.</span><span class="element">data</span><span class="plain">[0] != </span><span class="constant">LABEL_IST</span><span class="plain">) &amp;&amp; (</span><span class="identifier">C</span><span class="plain">-&gt;</span><span class="element">W</span><span class="plain">.</span><span class="element">data</span><span class="plain">[0] != </span><span class="constant">EVALUATION_IST</span><span class="plain">)) {</span>
<span class="plain">*</span><span class="identifier">E</span><span class="plain"> = </span><span class="functiontext"><a href="2-in.html#SP6">Inter::Node::error</a></span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"only an inv, a splat, a val, or a label can be below an evaluation"</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>
</pre>
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