9.5.3_e3.htm

来自「建立《编译原理网络课程》的目的不仅使学生掌握构造编译程序的原理和技术」· HTM 代码 · 共 40 行

HTM
40
字号
<html>

<head>
<title>编译原理</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link type="text/css" rel="stylesheet" href="../css/specification.css">
</head>

<BODY>
<table align=right width=300>
<tr>
<td><img src="../images/previous.gif" onmouseover="javascript:style.cursor='hand'" onclick="vbscript:window.location.href='9.5.3.htm'" ></td>
<td>
<img src="../images/next.gif" onmouseover="javascript:style.cursor='hand'" onclick="vbscript:window.location.href='9.5.4.htm'" ></img></td>
</tr>
</table>
<br><br>


<table>
<tr>
<td>&nbsp&nbsp&nbsp&nbsp</td>
<td class="content">
<p>
<img border="0" src="images/9_25_3.gif" align = left width="394" height="122">图2(c)中的分支语句产生的定值集合是什么?<p>
解析:对图2(c)的if语句,它的任意分支产生的定值都会到达语句S的结束点。所以我们认为: </p>
<p><span style="FONT-SIZE: large">&nbsp;&nbsp;&nbsp;&nbsp;gen[S]= gen[S1]∪gen[S2]</span></td>
</tr>
</table>

</BODY>

<table align=right width=300>
<tr>
<td><img src="../images/previous.gif" onmouseover="javascript:style.cursor='hand'" onclick="vbscript:window.location.href='9.5.3.htm'" ></td>
<td>
<img src="../images/next.gif" onmouseover="javascript:style.cursor='hand'" onclick="vbscript:window.location.href='9.5.4.htm'" ></img></td>
</tr>
</table>
<br><br>

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?