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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>Inter in Text Files</title>
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<!--Weave of 'Inter in Text Files' generated by Inweb-->
<div class="breadcrumbs">
<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#3">Chapter 3: Their Instructions</a></li><li><b>Inter in Text Files</b></li></ul></div>
<p class="purpose">To read a tree from a file written in the plain text version of Inter.</p>
<ul class="toc"><li><a href="3-iitf.html#SP1">&#167;1. Reading textual inter</a></li><li><a href="3-iitf.html#SP3">&#167;3. Writing textual inter</a></li><li><a href="3-iitf.html#SP4">&#167;4. Forward references</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. Reading textual inter. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::read</span><span class="plain-syntax">(</span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">filename</span><span class="plain-syntax"> *</span><span class="identifier-syntax">F</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">INTER_FILE_READ</span><span class="plain-syntax">, </span><span class="string-syntax">"Reading textual inter file %f\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">F</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">irl_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">irl</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">irl</span><span class="plain-syntax">.</span><span class="element-syntax">no_blank_lines_stacked</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_bookmark</span><span class="plain-syntax"> </span><span class="identifier-syntax">IBM</span><span class="plain-syntax"> = </span><a href="2-bkm.html#SP4" class="function-link"><span class="function-syntax">InterBookmark::at_start_of_this_repository</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">irl</span><span class="plain-syntax">.</span><span class="element-syntax">write_pos</span><span class="plain-syntax"> = &amp;</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TextFiles::read</span><span class="plain-syntax">(</span><span class="identifier-syntax">F</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="string-syntax">"can't open inter file"</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP2" class="function-link"><span class="function-syntax">TextualInter::read_line</span></a><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">irl</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP4" class="function-link"><span class="function-syntax">TextualInter::resolve_forward_references</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-ic.html#SP5" class="function-link"><span class="function-syntax">InterConstruct::tree_lint</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Primitives::index_primitives_in_tree</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b>This fussy little mechanism passes each line of the text file to
<a href="3-iitf.html#SP2" class="internal">TextualInter::parse_single_line</a>, except that it omits any run of blank
lines at the end. (Most text files technically have one blank line at the end
without anyone realising it.)
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">irl_state</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_blank_lines_stacked</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">inter_bookmark</span><span class="plain-syntax"> *</span><span class="identifier-syntax">write_pos</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">irl_state</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::read_line</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">TextualInter::read_line</span></span>:<br/><a href="3-iitf.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_file_position</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tfp</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">state</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">irl_state</span><span class="plain-syntax"> *</span><span class="identifier-syntax">irl</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">irl_state</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">state</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> </span><span class="identifier-syntax">eloc</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::file_location</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">tfp</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">line</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">irl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_blank_lines_stacked</span><span class="plain-syntax">++; </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="function-syntax">&lt;irl-&gt;</span><span class="element-syntax">no_blank_lines_stacked</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> </span><span class="identifier-syntax">b_eloc</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::file_location</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">""</span><span class="plain-syntax">, </span><span class="identifier-syntax">tfp</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> =</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP2" class="function-link"><span class="function-syntax">TextualInter::parse_single_line</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"#"</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">b_eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">irl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">write_pos</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">E</span><span class="plain-syntax">) </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::issue</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">E</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">irl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">no_blank_lines_stacked</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> =</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP2" class="function-link"><span class="function-syntax">TextualInter::parse_single_line</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">line</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">irl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">write_pos</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">E</span><span class="plain-syntax">) </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::issue</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">E</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">inter_line_parse</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">line</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">match_results</span><span class="plain-syntax"> </span><span class="identifier-syntax">mr</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">inter_annotation_set</span><span class="plain-syntax"> </span><span class="identifier-syntax">set</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">terminal_comment</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indent_level</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">inter_line_parse</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::parse_single_line</span><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">line</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_bookmark</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_line_parse</span><span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax"> = </span><span class="identifier-syntax">line</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">mr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Regexp::create_mr</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">terminal_comment</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">set</span><span class="plain-syntax"> = </span><a href="2-ann.html#SP10" class="function-link"><span class="function-syntax">SymbolAnnotation::new_annotation_set</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">indent_level</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">'\t'</span><span class="plain-syntax">) </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">indent_level</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">' '</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::plain</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"spaces (rather than tabs) at the beginning of this line"</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="comment-syntax"> int quoted = FALSE, literal = FALSE;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">literal</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">'"'</span><span class="plain-syntax">)) </span><span class="identifier-syntax">quoted</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">quoted</span><span class="plain-syntax">)?</span><span class="identifier-syntax">FALSE:TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">literal</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">'\\'</span><span class="plain-syntax">) </span><span class="identifier-syntax">literal</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">'#'</span><span class="plain-syntax">) &amp;&amp; ((</span><span class="identifier-syntax">P</span><span class="plain-syntax">.</span><span class="element-syntax">index</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">.</span><span class="element-syntax">index</span><span class="plain-syntax">-1) != </span><span class="character-syntax">'#'</span><span class="plain-syntax">)) &amp;&amp; (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">.</span><span class="element-syntax">index</span><span class="plain-syntax">+1) != </span><span class="character-syntax">'#'</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">quoted</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">terminal_comment</span><span class="plain-syntax"> = </span><a href="2-tw.html#SP7" class="function-link"><span class="function-syntax">InterWarehouse::create_text</span></a><span class="plain-syntax">(</span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::warehouse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">), </span><a href="2-bkm.html#SP6" class="function-link"><span class="function-syntax">InterBookmark::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">at</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::index</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">P</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::forward</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">) == </span><span class="character-syntax">' '</span><span class="plain-syntax">) </span><span class="identifier-syntax">P</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::forward</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Str::substr</span><span class="plain-syntax">(</span><a href="2-tw.html#SP7" class="function-link"><span class="function-syntax">InterWarehouse::get_text</span></a><span class="plain-syntax">(</span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::warehouse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">), </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">terminal_comment</span><span class="plain-syntax">), </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">Str::end</span><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Str::truncate</span><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">*/</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Str::trim_white_space</span><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">indent_level</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="3-iitf.html#SP4" class="function-link"><span class="function-syntax">TextualInter::set_latest_block_package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><a href="2-bkm.html#SP6" class="function-link"><span class="function-syntax">InterBookmark::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">)) &amp;&amp; (</span><a href="2-pck.html#SP13" class="function-link"><span class="function-syntax">InterPackage::is_a_root_package</span></a><span class="plain-syntax">(</span><a href="2-bkm.html#SP6" class="function-link"><span class="function-syntax">InterBookmark::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">)) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">indent_level</span><span class="plain-syntax"> &lt;= </span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::baseline</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">))) {</span>
<span class="plain-syntax"> </span><a href="2-bkm.html#SP5" class="function-link"><span class="function-syntax">InterBookmark::move_into_package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><a href="2-pck.html#SP5" class="function-link"><span class="function-syntax">InterPackage::parent</span></a><span class="plain-syntax">(</span><a href="2-bkm.html#SP6" class="function-link"><span class="function-syntax">InterBookmark::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Regexp::match</span><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"(%c+) (__%c+) *"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Str::copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">line</span><span class="plain-syntax">, </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[0]);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_annotation</span><span class="plain-syntax"> </span><span class="identifier-syntax">IA</span><span class="plain-syntax"> = </span><a href="2-ann.html#SP15" class="function-link"><span class="function-syntax">SymbolAnnotation::read_annotation</span></a><span class="plain-syntax">(</span><a href="2-bkm.html#SP7" class="function-link"><span class="function-syntax">InterBookmark::tree</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">), </span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">E</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">E</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">E</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-ann.html#SP11" class="function-link"><span class="function-syntax">SymbolAnnotation::write_to_set</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IA</span><span class="plain-syntax">.</span><span class="element-syntax">annot</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">iatype</span><span class="plain-syntax">, &amp;(</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">.</span><span class="element-syntax">set</span><span class="plain-syntax">), </span><span class="identifier-syntax">IA</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-ic.html#SP14" class="function-link"><span class="function-syntax">InterConstruct::match</span></a><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">ilp</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">IBM</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::new_symbol</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">TextualInter::new_symbol</span></span>:<br/>The Symbol Construct - <a href="4-tsc.html#SP1">&#167;1</a><br/>The Pragma Construct - <a href="4-tpc.html#SP2">&#167;2</a><br/>The PackageType Construct - <a href="4-tpc2.html#SP2">&#167;2</a><br/>The Package Construct - <a href="4-tpc3.html#SP2">&#167;2</a><br/>The Kind Construct - <a href="4-tkc.html#SP2">&#167;2</a><br/>The Variable Construct - <a href="4-tvc2.html#SP2">&#167;2</a><br/>The Constant Construct - <a href="4-tcc2.html#SP2">&#167;2</a><br/>The Instance Construct - <a href="4-tic.html#SP2">&#167;2</a><br/>The Property Construct - <a href="4-tpc4.html#SP2">&#167;2</a><br/>The Permission Construct - <a href="4-tpc6.html#SP2">&#167;2</a><br/>The Primitive Construct - <a href="4-tpc7.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbols_table</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> = </span><a href="2-st.html#SP6" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">symb</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sym.html#SP8" class="function-link"><span class="function-syntax">InterSymbol::misc_but_undefined</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">symb</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"symbol already exists"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="2-st.html#SP8" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_name_creating</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::find_symbol</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">TextualInter::find_symbol</span></span>:<br/>Inter Data Types - <a href="3-idt.html#SP3">&#167;3</a><br/>The Package Construct - <a href="4-tpc3.html#SP2">&#167;2</a><br/>The Kind Construct - <a href="4-tkc.html#SP2">&#167;2</a><br/>The DefaultValue Construct - <a href="4-tdc.html#SP2">&#167;2</a><br/>The Variable Construct - <a href="4-tvc2.html#SP2">&#167;2</a><br/>The Constant Construct - <a href="4-tcc2.html#SP2">&#167;2</a><br/>The Instance Construct - <a href="4-tic.html#SP2">&#167;2</a><br/>The Property Construct - <a href="4-tpc4.html#SP2">&#167;2</a><br/>The PropertyValue Construct - <a href="4-tpc5.html#SP2">&#167;2</a><br/>The Permission Construct - <a href="4-tpc6.html#SP2">&#167;2</a><br/>The Local Construct - <a href="5-tlc2.html#SP2">&#167;2</a><br/>The Ref Construct - <a href="5-trc.html#SP2">&#167;2</a><br/>The Val Construct - <a href="5-tvc.html#SP2">&#167;2</a><br/>The Cast Construct - <a href="5-tcc2.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbols_table</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="constant-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">construct</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> = </span><a href="2-st.html#SP6" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"no such symbol"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP14" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sym.html#SP17" class="function-link"><span class="function-syntax">InterSymbol::defined_elsewhere</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">symb</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sym.html#SP8" class="function-link"><span class="function-syntax">InterSymbol::misc_but_undefined</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">symb</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"undefined symbol"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">ID_IFLD</span><span class="plain-syntax">] != </span><span class="identifier-syntax">construct</span><span class="plain-syntax">) &amp;&amp; (</span><a href="2-sym.html#SP8" class="function-link"><span class="function-syntax">InterSymbol::misc_but_undefined</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"symbol of wrong type"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">symb</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::find_undefined_symbol</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">TextualInter::find_undefined_symbol</span></span>:<br/>The Local Construct - <a href="5-tlc2.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_bookmark</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IBM</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbols_table</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> = </span><a href="2-st.html#SP6" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"no such symbol"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sym.html#SP14" class="function-link"><span class="function-syntax">InterSymbol::is_defined</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">STDERR</span><span class="plain-syntax">, </span><span class="string-syntax">"Symbol is: %S\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">symb</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">symbol_name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP14" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="3-ic.html#SP13" class="function-link"><span class="function-syntax">InterConstruct::write_construct_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">STDERR</span><span class="plain-syntax">, </span><span class="identifier-syntax">D</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"symbol already defined"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">symb</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::find_KOI</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">TextualInter::find_KOI</span></span>:<br/>The PropertyValue Construct - <a href="4-tpc5.html#SP2">&#167;2</a><br/>The Permission Construct - <a href="4-tpc6.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_symbols_table</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> = </span><a href="2-st.html#SP6" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"no such symbol"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">D</span><span class="plain-syntax"> = </span><a href="2-sym.html#SP14" class="function-link"><span class="function-syntax">InterSymbol::definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">D</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"undefined symbol"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">ID_IFLD</span><span class="plain-syntax">] != </span><span class="constant-syntax">KIND_IST</span><span class="plain-syntax">) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">D</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">W</span><span class="plain-syntax">.</span><span class="element-syntax">instruction</span><span class="plain-syntax">[</span><span class="constant-syntax">ID_IFLD</span><span class="plain-syntax">] != </span><span class="constant-syntax">INSTANCE_IST</span><span class="plain-syntax">)) { *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"symbol of wrong type"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">symb</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_data_type</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::data_type</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">TextualInter::data_type</span></span>:<br/>The Kind Construct - <a href="4-tkc.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> **</span><span class="identifier-syntax">E</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_data_type</span><span class="plain-syntax"> *</span><span class="identifier-syntax">idt</span><span class="plain-syntax"> = </span><a href="3-idt.html#SP2" class="function-link"><span class="function-syntax">Inter::Types::find_by_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">idt</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"no such data type"</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">idt</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure irl_state is private to this section.</li><li>The structure inter_line_parse is accessed in 3/ic, 4/tcc, 4/tsc, 4/tvc, 4/tpc, 4/tlc, 4/tac, 4/tpc2, 4/tpc3, 4/tkc, 4/tdc, 4/tvc2, 4/tcc2, 4/tic, 4/tpc4, 4/tpc5, 4/tpc6, 4/tpc7, 5/tlc, 5/tlc2, 5/tic, 5/trc, 5/tvc, 5/tlc3, 5/tac, 5/tcc, 5/tec, 5/trc2, 5/tcc2, 5/tsc and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. Writing textual inter. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::writer</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">TextualInter::writer</span></span>:<br/>Bytecode Module - <a href="1-bm.html#SP3_3">&#167;3.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">char</span><span class="plain-syntax"> *</span><span class="identifier-syntax">format_string</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">vI</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">vI</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="3-iitf.html#SP3" class="function-link"><span class="function-syntax">TextualInter::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">textual_write_state</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">to</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> (*</span><span class="identifier-syntax">filter</span><span class="plain-syntax">)(</span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pass</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">textual_write_state</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::write</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> (*</span><span class="identifier-syntax">filter</span><span class="plain-syntax">)(</span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax">), </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pass</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"&lt;no-inter&gt;\n"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">textual_write_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">tws</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">tws</span><span class="plain-syntax">.</span><span class="element-syntax">to</span><span class="plain-syntax"> = </span><span class="identifier-syntax">OUT</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">tws</span><span class="plain-syntax">.</span><span class="element-syntax">filter</span><span class="plain-syntax"> = </span><span class="identifier-syntax">filter</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">tws</span><span class="plain-syntax">.</span><span class="element-syntax">pass</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pass</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-it.html#SP7" class="function-link"><span class="function-syntax">InterTree::traverse_root_only</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><a href="3-iitf.html#SP3" class="function-link"><span class="function-syntax">TextualInter::visitor</span></a><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">tws</span><span class="plain-syntax">, -</span><span class="constant-syntax">PACKAGE_IST</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-it.html#SP8" class="function-link"><span class="function-syntax">InterTree::traverse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><a href="3-iitf.html#SP3" class="function-link"><span class="function-syntax">TextualInter::visitor</span></a><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">tws</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::visitor</span><span class="plain-syntax">(</span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">state</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">textual_write_state</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tws</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">textual_write_state</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">state</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tws</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">filter</span><span class="plain-syntax">) &amp;&amp; ((*(</span><span class="identifier-syntax">tws</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">filter</span><span class="plain-syntax">))(*</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">tws</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">pass</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_message</span><span class="plain-syntax"> *</span><span class="identifier-syntax">E</span><span class="plain-syntax"> = </span><a href="3-ic.html#SP13" class="function-link"><span class="function-syntax">InterConstruct::write_construct_text</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tws</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">to</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">E</span><span class="plain-syntax">) </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::issue</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">E</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure textual_write_state is private to this section.</li></ul>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. Forward references. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::resolve_forward_references</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">TextualInter::resolve_forward_references</span></span>:<br/><a href="3-iitf.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> </span><span class="identifier-syntax">eloc</span><span class="plain-syntax"> = </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::file_location</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-it.html#SP8" class="function-link"><span class="function-syntax">InterTree::traverse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><a href="3-iitf.html#SP4" class="function-link"><span class="function-syntax">TextualInter::rfr_visitor</span></a><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">eloc</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">PACKAGE_IST</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::rfr_visitor</span><span class="plain-syntax">(</span><span class="reserved-syntax">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="reserved-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">state</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *</span><span class="identifier-syntax">eloc</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">inter_error_location</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">state</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pack</span><span class="plain-syntax"> = </span><a href="4-tpc3.html#SP2" class="function-link"><span class="function-syntax">InterPackage::at_this_head</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pack</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"no package defined here"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbols_table</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax"> = </span><a href="2-pck.html#SP9" class="function-link"><span class="function-syntax">InterPackage::scope</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">T</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"package with no symbols"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="function-syntax">&lt;T-&gt;</span><span class="element-syntax">symbol_array_size</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">symb</span><span class="plain-syntax"> = </span><span class="identifier-syntax">T</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">symbol_array</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-tw2.html#SP7" class="function-link"><span class="function-syntax">Wiring::is_wired_to_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">N</span><span class="plain-syntax"> = </span><a href="2-tw2.html#SP7" class="function-link"><span class="function-syntax">Wiring::wired_to_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sym.html#SP12" class="function-link"><span class="function-syntax">InterSymbol::is_plug</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">)) </span><span class="reserved-syntax">continue</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S_to</span><span class="plain-syntax"> = </span><a href="2-st.html#SP19" class="function-link"><span class="function-syntax">InterSymbolsTable::URL_to_symbol</span></a><span class="plain-syntax">(</span><a href="2-pck.html#SP4" class="function-link"><span class="function-syntax">InterPackage::tree</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">), </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">S_to</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">S_to</span><span class="plain-syntax"> = </span><a href="2-st.html#SP6" class="function-link"><span class="function-syntax">InterSymbolsTable::symbol_from_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">S_to</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::issue</span></a><span class="plain-syntax">(</span><a href="3-ie.html#SP1" class="function-link"><span class="function-syntax">Inter::Errors::quoted</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"unable to locate symbol"</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="identifier-syntax">eloc</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sym.html#SP12" class="function-link"><span class="function-syntax">InterSymbol::is_socket</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-tw2.html#SP13" class="function-link"><span class="function-syntax">Wiring::make_socket_to</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">, </span><span class="identifier-syntax">S_to</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="2-tw2.html#SP5" class="function-link"><span class="function-syntax">Wiring::wire_to</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">symb</span><span class="plain-syntax">, </span><span class="identifier-syntax">S_to</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">latest_block_package</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">TextualInter::set_latest_block_package</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">TextualInter::set_latest_block_package</span></span>:<br/><a href="3-iitf.html#SP2">&#167;2</a><br/>The Package Construct - <a href="4-tpc3.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="identifier-syntax">F</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">latest_block_package</span><span class="plain-syntax"> = </span><span class="identifier-syntax">F</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">inter_package</span><span class="plain-syntax"> *</span><span class="function-syntax">TextualInter::get_latest_block_package</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">TextualInter::get_latest_block_package</span></span>:<br/>The Symbol Construct - <a href="4-tsc.html#SP1">&#167;1</a><br/>The Label Construct - <a href="5-tlc.html#SP2">&#167;2</a><br/>The Local Construct - <a href="5-tlc2.html#SP2">&#167;2</a><br/>The Inv Construct - <a href="5-tic.html#SP2">&#167;2</a><br/>The Ref Construct - <a href="5-trc.html#SP2">&#167;2</a><br/>The Val Construct - <a href="5-tvc.html#SP2">&#167;2</a><br/>The Lab Construct - <a href="5-tlc3.html#SP2">&#167;2</a><br/>The Lab Construct - <a href="5-tac.html#SP2">&#167;2</a><br/>The Code Construct - <a href="5-tcc.html#SP2">&#167;2</a><br/>The Evaluation Construct - <a href="5-tec.html#SP2">&#167;2</a><br/>The Reference Construct - <a href="5-trc2.html#SP2">&#167;2</a><br/>The Cast Construct - <a href="5-tcc2.html#SP2">&#167;2</a><br/>The Splat Construct - <a href="5-tsc.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">latest_block_package</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
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