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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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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../services.html">Services</a></li><li><a href="index.html">words</a></li><li><a href="index.html#4">Chapter 4: Parsing</a></li><li><b>Instrumentation</b></li></ul></div>
<p class="purpose">To provide debugging and tuning data on the Preform parser's performance.</p>
<ul class="toc"><li><a href="4-ins.html#SP1">&#167;1. What data we collect</a></li><li><a href="4-ins.html#SP8">&#167;8. Logging</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. What data we collect. </b>This ought to be a privacy policy under GDPR, somehow. If so, our justification
for logging usage data would be this:
</p>
<ul class="items"><li>(a) the Preform parser does something very complicated and has to be tuned just
right to be efficient, so debugging logs are helpful;
</li><li>(b) but it runs millions of times in each Inform compilation, in a wide variety
of ways, and any kind of complete log would be both too large and too complex
to take in. We want to be selective, and to be able to summarise.
</li></ul>
<p class="commentary">So, in instrumentation mode, we gather the following data. For nonterminals,
we record the number of hits and misses. If a nonterminal is "watched", we
log its every parse.
</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">nonterminal_instrumentation_data</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">watched</span><span class="plain-syntax">; </span><span class="comment-syntax"> watch goings-on to the debugging log</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">nonterminal_tries</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">nonterminal_matches</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">nonterminal_instrumentation_data</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>The structure nonterminal_instrumentation_data is accessed in 4/prf and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </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">Instrumentation::initialise_nonterminal_data</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">Instrumentation::initialise_nonterminal_data</span></span>:<br/>Nonterminals - <a href="4-nnt.html#SP8">&#167;8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">nonterminal_instrumentation_data</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ins</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">watched</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">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nonterminal_tries</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="identifier-syntax">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nonterminal_matches</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">Instrumentation::watch</span><span class="plain-syntax">(</span><span class="reserved-syntax">nonterminal</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nt</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">state</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">watched</span><span class="plain-syntax"> = </span><span class="identifier-syntax">state</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. </b>These are called after each hit or miss.
</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">Instrumentation::note_nonterminal_match</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">Instrumentation::note_nonterminal_match</span></span>:<br/>Preform - <a href="4-prf.html#SP1_3_1_1">&#167;1.3.1.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">nonterminal</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nt</span><span class="plain-syntax">, </span><span class="reserved-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">nonterminal_tries</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">nonterminal_matches</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">Instrumentation::note_nonterminal_fail</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">Instrumentation::note_nonterminal_fail</span></span>:<br/>Preform - <a href="4-prf.html#SP1_2">&#167;1.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">nonterminal</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nt</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">nonterminal_tries</span><span class="plain-syntax">++;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. </b>We count the number of hits and misses on each production, and also store
some sample text matching it. (In fact, we store the longest text which ever
matches 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">production_instrumentation_data</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">production_tries</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">production_matches</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">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">sample_text</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">production_instrumentation_data</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>The structure production_instrumentation_data is private to this section.</li></ul>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. </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">Instrumentation::initialise_production_data</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">Instrumentation::initialise_production_data</span></span>:<br/>Loading Preform - <a href="4-lp.html#SP14">&#167;14</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">production_instrumentation_data</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ins</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">production_tries</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="identifier-syntax">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">production_matches</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">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">sample_text</span><span class="plain-syntax"> = </span><span class="constant-syntax">EMPTY_WORDING</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>&#167;6. </b>These are called after each hit or miss.
</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">Instrumentation::note_production_match</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">Instrumentation::note_production_match</span></span>:<br/>Preform - <a href="4-prf.html#SP1_3_2_1_4">&#167;1.3.2.1.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">production</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pr</span><span class="plain-syntax">, </span><span class="reserved-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">production_tries</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">production_matches</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="3-wrd.html#SP7" class="function-link"><span class="function-syntax">Wordings::length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="identifier-syntax">sample_text</span><span class="plain-syntax">) &lt; </span><a href="3-wrd.html#SP7" class="function-link"><span class="function-syntax">Wordings::length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">sample_text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">W</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">Instrumentation::note_production_fail</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">Instrumentation::note_production_fail</span></span>:<br/>Preform - <a href="4-prf.html#SP1_3_2_1_4">&#167;1.3.2.1.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">production</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pr</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">production_tries</span><span class="plain-syntax">++;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>&#167;7. </b>At present, we collect no data on individual ptokens.
</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">ptoken_instrumentation_data</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">to_keep_this_from_being_empty_which_is_nonstandard_C</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">ptoken_instrumentation_data</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Instrumentation::initialise_ptoken_data</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">Instrumentation::initialise_ptoken_data</span></span>:<br/>Loading Preform - <a href="4-lp.html#SP16_1">&#167;16.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">ptoken_instrumentation_data</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ins</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ins</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">to_keep_this_from_being_empty_which_is_nonstandard_C</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure ptoken_instrumentation_data is private to this section.</li></ul>
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>&#167;8. Logging. </b>Descending the wheels within wheels of the Preform data structures, then:
</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">Instrumentation::log</span><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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">detailed</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">nonterminal</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nt</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">nt</span><span class="plain-syntax">, </span><span class="reserved-syntax">nonterminal</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP8" class="function-link"><span class="function-syntax">Instrumentation::log_nt</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">nt</span><span class="plain-syntax">, </span><span class="identifier-syntax">detailed</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</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">Instrumentation::log_nt</span><span class="plain-syntax">(</span><span class="reserved-syntax">nonterminal</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nt</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">detailed</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%V "</span><span class="plain-syntax">, </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nonterminal_id</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">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">marked_internal</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"internal "</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">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">nonterminal_tries</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"hits %d/%d "</span><span class="plain-syntax">, </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">nonterminal_matches</span><span class="plain-syntax">, </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">nonterminal_tries</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"nti "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bit</span></a><span class="plain-syntax">(</span><a href="4-ni.html#SP2" class="function-link"><span class="function-syntax">NTI::nt_incidence_bit</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">nt</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" constraint "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_ntic</span></a><span class="plain-syntax">(&amp;(</span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">nt_ntic</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" extremes "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_extremes</span></a><span class="plain-syntax">(&amp;(</span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">nt_extremes</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG_INDENT</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">production_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">nt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">first_pl</span><span class="plain-syntax">; </span><span class="identifier-syntax">pl</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">pl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_pl</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP10" class="function-link"><span class="function-syntax">Instrumentation::log_production_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pl</span><span class="plain-syntax">, </span><span class="identifier-syntax">detailed</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG_OUTDENT</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>&#167;9. </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">Instrumentation::log_ntic</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">Instrumentation::log_ntic</span></span>:<br/><a href="4-ins.html#SP8">&#167;8</a>, <a href="4-ins.html#SP10">&#167;10</a><br/>Preform - <a href="4-prf.html#SP1_3_1_2">&#167;1.3.1.2</a>, <a href="4-prf.html#SP1_3_2_1_3">&#167;1.3.2.1.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">nti_constraint</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ntic</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">c</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">DW_req</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" &amp; "</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"DW = "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bitmap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">DW_req</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">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">DS_req</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" &amp; "</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"DS = "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bitmap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">DS_req</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">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">CW_req</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" &amp; "</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"CW = "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bitmap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">CW_req</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">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">CS_req</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" &amp; "</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"CS = "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bitmap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">CS_req</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">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">FW_req</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" &amp; "</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"FW = "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bitmap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">FW_req</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">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">FS_req</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" &amp; "</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"FS = "</span><span class="plain-syntax">); </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bitmap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ntic</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">FS_req</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="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"(none)"</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">Instrumentation::log_bitmap</span><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">bm</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"{"</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">c</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">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="plain-syntax">&lt;32; </span><span class="identifier-syntax">i</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">b</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax"> &lt;&lt; </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><span class="identifier-syntax">bm</span><span class="plain-syntax"> &amp; </span><span class="identifier-syntax">b</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">++ &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">", "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_bit</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">b</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"}"</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">Instrumentation::log_bit</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">Instrumentation::log_bit</span></span>:<br/><a href="4-ins.html#SP8">&#167;8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">b</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="plain-syntax">&lt;32; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">b</span><span class="plain-syntax"> == (1 &lt;&lt; </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><span class="identifier-syntax">i</span><span class="plain-syntax"> &lt; </span><span class="constant-syntax">RESERVED_NT_BITS</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"r"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</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">Instrumentation::log_extremes</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">Instrumentation::log_extremes</span></span>:<br/><a href="4-ins.html#SP8">&#167;8</a>, <a href="4-ins.html#SP10">&#167;10</a><br/>Preform - <a href="4-prf.html#SP1_3_2_1_2">&#167;1.3.2.1.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">length_extremes</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"[%d, "</span><span class="plain-syntax">, </span><span class="identifier-syntax">E</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">min_words</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">-&gt;</span><span class="identifier-syntax">max_words</span><span class="plain-syntax"> == </span><span class="constant-syntax">INFINITE_WORD_COUNT</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"infinity)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%d]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">E</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">max_words</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>&#167;10. </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">Instrumentation::log_production_list</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">Instrumentation::log_production_list</span></span>:<br/><a href="4-ins.html#SP8">&#167;8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">production_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pl</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">detailed</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%J:\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">definition_language</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG_INDENT</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">production</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">first_pr</span><span class="plain-syntax">; </span><span class="identifier-syntax">pr</span><span class="plain-syntax">; </span><span class="identifier-syntax">pr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_pr</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP11" class="function-link"><span class="function-syntax">Instrumentation::log_production</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pr</span><span class="plain-syntax">, </span><span class="identifier-syntax">detailed</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-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">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">production_tries</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"(hits %d/%d) "</span><span class="plain-syntax">, </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">production_matches</span><span class="plain-syntax">, </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">production_tries</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="3-wrd.html#SP11" class="function-link"><span class="function-syntax">Wordings::nonempty</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">sample_text</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="3-wrd.html#SP7" class="function-link"><span class="function-syntax">Wordings::length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">sample_text</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">8</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"(matched long text) "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"(matched: '%W') "</span><span class="plain-syntax">, </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ins</span><span class="plain-syntax">.</span><span class="element-syntax">sample_text</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"constraint "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_ntic</span></a><span class="plain-syntax">(&amp;(</span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">pr_ntic</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" extremes "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP9" class="function-link"><span class="function-syntax">Instrumentation::log_extremes</span></a><span class="plain-syntax">(&amp;(</span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">pr_extremes</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"\n"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG_OUTDENT</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>&#167;11. </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">Instrumentation::log_production</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">Instrumentation::log_production</span></span>:<br/><a href="4-ins.html#SP10">&#167;10</a><br/>Preform - <a href="4-prf.html#SP1_3_2_1_1">&#167;1.3.2.1.1</a>, <a href="4-prf.html#SP1_3_2_1_2">&#167;1.3.2.1.2</a>, <a href="4-prf.html#SP1_3_2_1_3">&#167;1.3.2.1.3</a><br/>Preform Utilities - <a href="4-pu.html#SP5_1">&#167;5.1</a>, <a href="4-pu.html#SP8">&#167;8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">production</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pr</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">detailed</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">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">first_pt</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"&lt;empty-production&gt;"</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">ptoken</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">first_pt</span><span class="plain-syntax">; </span><span class="identifier-syntax">pt</span><span class="plain-syntax">; </span><span class="identifier-syntax">pt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next_pt</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="4-ins.html#SP12" class="function-link"><span class="function-syntax">Instrumentation::log_ptoken</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="identifier-syntax">detailed</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>&#167;12. </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">Instrumentation::log_ptoken</span><button class="popup" onclick="togglePopup('usagePopup13')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup13">Usage of <span class="code-font"><span class="function-syntax">Instrumentation::log_ptoken</span></span>:<br/><a href="4-ins.html#SP11">&#167;11</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">ptoken</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">detailed</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">detailed</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">ptoken_position</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"(@%d)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">ptoken_position</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">detailed</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">strut_number</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">0</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"(S%d)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">opt</span><span class="plain-syntax">.</span><span class="element-syntax">strut_number</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">disallow_unexpected_upper</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"_"</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">negated_ptoken</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"^"</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">range_starts</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"{"</span><span class="plain-syntax">); </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">detailed</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%d:"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">range_starts</span><span class="plain-syntax">);</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">ptoken</span><span class="plain-syntax"> *</span><span class="identifier-syntax">alt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pt</span><span class="plain-syntax">; </span><span class="identifier-syntax">alt</span><span class="plain-syntax">; </span><span class="identifier-syntax">alt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">alternative_ptoken</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">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nt_pt</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%V"</span><span class="plain-syntax">, </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nt_pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nonterminal_id</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">detailed</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"=%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">result_index</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%V"</span><span class="plain-syntax">, </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ve_pt</span><span class="plain-syntax">);</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">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">alternative_ptoken</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"/"</span><span class="plain-syntax">);</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">range_ends</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">0</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">detailed</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">":%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">range_ends</span><span class="plain-syntax">); </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"}"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP13" class="paragraph-anchor"></a><b>&#167;13. </b>A less detailed form used in linguistic problem messages:
</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">Instrumentation::write_ptoken</span><button class="popup" onclick="togglePopup('usagePopup14')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup14">Usage of <span class="code-font"><span class="function-syntax">Instrumentation::write_ptoken</span></span>:<br/>Preform Utilities - <a href="4-pu.html#SP8">&#167;8</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">ptoken</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pt</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">disallow_unexpected_upper</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"_"</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">negated_ptoken</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"^"</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">range_starts</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"{"</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">ptoken</span><span class="plain-syntax"> *</span><span class="identifier-syntax">alt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pt</span><span class="plain-syntax">; </span><span class="identifier-syntax">alt</span><span class="plain-syntax">; </span><span class="identifier-syntax">alt</span><span class="plain-syntax"> = </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">alternative_ptoken</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">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nt_pt</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%V"</span><span class="plain-syntax">, </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nt_pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">nonterminal_id</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%V"</span><span class="plain-syntax">, </span><span class="identifier-syntax">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">ve_pt</span><span class="plain-syntax">);</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">alt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">alternative_ptoken</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"/"</span><span class="plain-syntax">);</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">pt</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">range_ends</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
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