parser.html

中山大学编译原理实验三 后缀表达式Postfix

</DL>
</DL>
<HR>

<A NAME="errornum"><!-- --></A><H3>
errornum</H3>
<PRE>
private int <B>errornum</B></PRE>
<DL>
<DD>错误个数
<P>
<DL>
</DL>
</DL>
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<A NAME="errorps"><!-- --></A><H3>
errorps</H3>
<PRE>
private int <B>errorps</B></PRE>
<DL>
<DD>错误位置
<P>
<DL>
</DL>
</DL>
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<A NAME="bracket"><!-- --></A><H3>
bracket</H3>
<PRE>
private int <B>bracket</B></PRE>
<DL>
<DD>（未匹配）左括号个数
<P>
<DL>
</DL>
</DL>
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<A NAME="next"><!-- --></A><H3>
next</H3>
<PRE>
private boolean <B>next</B></PRE>
<DL>
<DD>表达式是否结束
<P>
<DL>
</DL>
</DL>
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<A NAME="rs"><!-- --></A><H3>
rs</H3>
<PRE>
private java.io.PrintWriter <B>rs</B></PRE>
<DL>
<DD>结果缓冲区
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="er"><!-- --></A><H3>
er</H3>
<PRE>
private java.io.PrintWriter <B>er</B></PRE>
<DL>
<DD>错误提示缓冲区
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>构造方法详细信息</B></FONT></TH>
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</TABLE>

<A NAME="Parser()"><!-- --></A><H3>
Parser</H3>
<PRE>
public <B>Parser</B>()
       throws java.io.IOException</PRE>
<DL>
<DD>初始化变量
<P>
<DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>方法详细信息</B></FONT></TH>
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</TABLE>

<A NAME="run()"><!-- --></A><H3>
run</H3>
<PRE>
void <B>run</B>()
   throws java.io.IOException</PRE>
<DL>
<DD>将输入的中缀表达式转换成后缀表达式
<P>
<DD><DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="expr()"><!-- --></A><H3>
expr</H3>
<PRE>
void <B>expr</B>()
    throws java.io.IOException</PRE>
<DL>
<DD>对表达式进行操作
<P>
<DD><DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="rest()"><!-- --></A><H3>
rest</H3>
<PRE>
void <B>rest</B>()
    throws java.io.IOException</PRE>
<DL>
<DD>对加减进行操作
<P>
<DD><DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="term()"><!-- --></A><H3>
term</H3>
<PRE>
void <B>term</B>()
    throws java.io.IOException</PRE>
<DL>
<DD>对乘除进行操作
<P>
<DD><DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="factor()"><!-- --></A><H3>
factor</H3>
<PRE>
void <B>factor</B>()
      throws java.io.IOException</PRE>
<DL>
<DD>对数字和括号进行操作
<P>
<DD><DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="match(int)"><!-- --></A><H3>
match</H3>
<PRE>
void <B>match</B>(int&nbsp;t)
     throws java.io.IOException</PRE>
<DL>
<DD>检查是否与t匹配
<P>
<DD><DL>
<DT><B>参数：</B><DD><CODE>t</CODE> - 用来与下一个字符进行比较的数字
<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="readnext()"><!-- --></A><H3>
readnext</H3>
<PRE>
void <B>readnext</B>()
        throws java.io.IOException</PRE>
<DL>
<DD>读取下一个字符
<P>
<DD><DL>

<DT><B>抛出：</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
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