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skipLineComment

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This commit is contained in:
Alistair Braidwood
2012-10-18 16:46:13 +01:00
committed by Marijn Haverbeke
parent b38a98ffd2
commit b3366233d3
2 changed files with 12 additions and 8 deletions
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@@ -257,10 +257,12 @@ the right position.</p> </td> <td class="code">
<span class="kd">function</span> <span class="nx">skipLineComment</span><span class="p">()</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">start</span> <span class="o">=</span> <span class="nx">tokPos</span><span class="p">;</span>
<span class="nx">tokPos</span> <span class="o">+=</span> <span class="mi">2</span><span class="p">;</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">tokPos</span> <span class="o">&lt;</span> <span class="nx">inputLen</span> <span class="o">&amp;&amp;</span> <span class="o">!</span><span class="nx">newline</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="nx">input</span><span class="p">.</span><span class="nx">charAt</span><span class="p">(</span><span class="nx">tokPos</span><span class="p">)))</span> <span class="o">++</span><span class="nx">tokPos</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">trackComments</span><span class="p">)</span>
<span class="p">(</span><span class="nx">tokComments</span> <span class="o">||</span> <span class="p">(</span><span class="nx">tokComments</span> <span class="o">=</span> <span class="p">[])).</span><span class="nx">push</span><span class="p">(</span><span class="nx">input</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="nx">start</span><span class="p">,</span> <span class="nx">tokPos</span><span class="p">));</span>
<span class="kd">var</span> <span class="nx">ch</span> <span class="o">=</span> <span class="nx">input</span><span class="p">.</span><span class="nx">charCodeAt</span><span class="p">(</span><span class="nx">tokPos</span><span class="o">+=</span><span class="mi">2</span><span class="p">);</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">tokPos</span> <span class="o">&lt;</span> <span class="nx">inputLen</span> <span class="o">&amp;&amp;</span> <span class="nx">ch</span> <span class="o">!==</span> <span class="mi">10</span> <span class="o">&amp;&amp;</span> <span class="nx">ch</span> <span class="o">!==</span> <span class="mi">13</span> <span class="o">&amp;&amp;</span> <span class="nx">ch</span> <span class="o">!==</span> <span class="mi">8232</span> <span class="o">&amp;&amp;</span> <span class="nx">ch</span> <span class="o">!==</span> <span class="mi">8329</span><span class="p">)</span> <span class="p">{</span>
<span class="o">++</span><span class="nx">tokPos</span><span class="p">;</span>
<span class="nx">ch</span> <span class="o">=</span> <span class="nx">input</span><span class="p">.</span><span class="nx">charCodeAt</span><span class="p">(</span><span class="nx">tokPos</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">(</span><span class="nx">tokComments</span> <span class="o">||</span> <span class="p">(</span><span class="nx">tokComments</span> <span class="o">=</span> <span class="p">[])).</span><span class="nx">push</span><span class="p">(</span><span class="nx">input</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="nx">start</span><span class="p">,</span> <span class="nx">tokPos</span><span class="p">));</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-53">&#182;</a> </div> <p>Called at the start of the parse and after every token. Skips
whitespace and comments, and, if <code>options.trackComments</code> is on,
will store all skipped comments in <code>tokComments</code>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">function</span> <span class="nx">skipSpace</span><span class="p">()</span> <span class="p">{</span>