uTools-Manuals/docs/python/symbol.html

<div class="body" role="main"><div class="section" id="module-symbol"><h1><span class="yiyi-st" id="yiyi-10">32.4. <a class="reference internal" href="#module-symbol" title="symbol: Constants representing internal nodes of the parse tree."><code class="xref py py-mod docutils literal"><span class="pre">symbol</span></code></a>  - 用于Python解析树的常量</span></h1><p><span class="yiyi-st" id="yiyi-11"><strong>源代码：</strong> <a class="reference external" href="https://hg.python.org/cpython/file/3.5/Lib/symbol.py">Lib / symbol.py</a></span></p><p><span class="yiyi-st" id="yiyi-12">该模块提供了表示解析树的内部节点的数值的常数。</span><span class="yiyi-st" id="yiyi-13">与大多数Python常量不同，它们使用小写名称。</span><span class="yiyi-st" id="yiyi-14">有关语言语法的上下文中的名称的定义，请参阅Python分发中的文件<code class="file docutils literal"><span class="pre">Grammar/Grammar</span></code>。</span><span class="yiyi-st" id="yiyi-15">名称映射到的特定数值可能在Python版本之间变化。</span></p><p><span class="yiyi-st" id="yiyi-16">此模块还提供一个附加数据对象：</span></p><dl class="data"><dt id="symbol.sym_name"><span class="yiyi-st" id="yiyi-17"> <code class="descclassname">symbol.</code><code class="descname">sym_name</code></span></dt><dd><p><span class="yiyi-st" id="yiyi-18">将此模块中定义的常量的数字值映射回名称字符串的字典，从而允许生成更加人性化的解析树表示。</span></p></dd></dl></div></div>