<!DOCTYPE html>
<html>
<head>
</head>
<body>
<dl style="line-height: 1.5; margin-left: 2em">
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
<dd style="margin-left: 8.5em">susumu.yata <susum****@gmail*****></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
<dd style="margin-left: 8.5em">2014-06-12 16:09:01 +0900 (Thu, 12 Jun 2014)</dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt>
<dd style="margin-left: 8.5em"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a">d1630e1936cd05159373509a2d43a70bfae0e53a</a></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</dt>
<dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">Add ExpressionBuilder::release() instead of create_expression().</pre></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
<dd style="margin-left: 8.5em">
<ul>
<li><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#diff-0">new-interface/expression-builder.hpp</a></li>
</ul>
</dd>
</dl>
<div class="diff-section" style="clear: both">
<table style="border-collapse: collapse; border: 1px solid #aaa">
<thead>
<tr class="diff-header" style="border: 1px solid #aaa">
<td colspan="3">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre"> Modified: new-interface/expression-builder.hpp (+15 -5)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
</pre>
</td>
</tr>
</thead>
<tbody>
<tr>
<th class="diff-line-number" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L30">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L31">31</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L32">32</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L33">33</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L34">34</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L35">35</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L36">36</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L46">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L47">47</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L48">48</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L49">49</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L50">50</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L51">51</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L52">52</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L55">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L56">56</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L57">57</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L58">58</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L59">59</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L60">60</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L61">61</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L62">62</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L63">63</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L64">64</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L65">65</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L66">66</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L67">67</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L68">68</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L69">69</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L70">70</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L71">71</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L72">72</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0L73">73</a></span>
</pre>
</th>
<th class="diff-line-number" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R30">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R31">31</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R32">32</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R33">33</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R34">34</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R35">35</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R36">36</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R37">37</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R38">38</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R39">39</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R49">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R50">50</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R51">51</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R52">52</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R53">53</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R54">54</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R55">55</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R56">56</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R57">57</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R60">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R61">61</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R62">62</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R63">63</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R64">64</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R65">65</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R66">66</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R67">67</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R68">68</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R69">69</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R70">70</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R71">71</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R72">72</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R73">73</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R74">74</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R75">75</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R76">76</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R77">77</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R78">78</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R79">79</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre"> </span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R80">80</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R81">81</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R82">82</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/grnxx/commit/d1630e1936cd05159373509a2d43a70bfae0e53a#L0R83">83</a></span>
</pre>
</th>
<td class="diff-content" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -31,6 +31,9 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">class ExpressionBuilder {</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 成功すれば true を返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 失敗したときは *error にその内容を格納し, false を返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> //</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // column_name に "_id" を指定すれば行 ID に対応するノード,</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // "_score" を指定すればスコアに対応するノードを作成する.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ //</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 作成されたノードはスタックに積まれる.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> //</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 失敗する状況としては,以下のようなものが挙げられる.</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -47,6 +50,8 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">class ExpressionBuilder {</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 被演算子を作成した後に演算子を作成しなければならない.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // これは後置式(逆ポーランド記法)の考え方にもとづく.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> //</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // 作成されたノードはスタックに積まれる.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ //</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 失敗する状況としては,以下のようなものが挙げられる.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // - 引数がスタックに存在しない.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // - 演算子と引数が対応していない.</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -56,18 +61,23 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">class ExpressionBuilder {</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Error *error,</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> OperatorType operator_type) = 0;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- // すべてのノードを破棄する.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // 保持しているノードやスタックを破棄する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> virtual void clear();</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- // 最後に作成したノードを根とする構文木に対応する式を作成する.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // 構築された式を取得する.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 成功すれば有効なオブジェクトへのポインタを返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 失敗したときは *error にその内容を格納し, nullptr を返す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> //</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // 保持しているノードやスタックは破棄される.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ //</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // TODO: 内部で作成した Expression の所有権を返すだけにしたい.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ //</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // 失敗する状況としては,以下のようなものが挙げられる.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // - ノードがひとつもない.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // - スタックに二つ以上のノードが存在する.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ // - 式が完成していないことを示す.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> // - リソースを確保できない.</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- virtual std::unique_ptr<Expression> create_expression(</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- Error *error,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- const ExpressionOptions &options) const;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ virtual std::unique_ptr<Expression> release(Error *error);</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> };</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> } // namespace grnxx</span>
</pre>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>